Home / 1,210,194,469.10-1,815,291,703.65-1,038,007,585.10

Finding the Fourth Proportional to 1,210,194,469.10, 1,815,291,703.65 and 1,038,007,585.10

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Solution

The fourth proportional to 1,210,194,469.10, 1,815,291,703.65 and 1,038,007,585.10 is: 1,557,011,377.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,194,469.10 : 1,815,291,703.65 = 1,038,007,585.10 : x
  2. Step 2: Convert to fraction form
    1,210,194,469.10/1,815,291,703.65 = 1,038,007,585.10/x
  3. Step 3: Cross multiply
    1,210,194,469.10x = 1,815,291,703.65 × 1,038,007,585.10
  4. Step 4: Simplify right side
    1,210,194,469.10x = 1,884,286,557,557,801,472
  5. Step 5: Solve for x
    x = 1,884,286,557,557,801,472/1,210,194,469.10
  6. Step 6: Final answer
    x = 1,557,011,377.65

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Half scale
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Double scale
Find fourth proportional to 1,210,194,470.10, 1,815,291,705.15 and 1,038,007,586.10
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.