Home / 1,210,194,481.60-1,815,291,722.40-1,038,007,597.60

Finding the Fourth Proportional to 1,210,194,481.60, 1,815,291,722.40 and 1,038,007,597.60

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Solution

The fourth proportional to 1,210,194,481.60, 1,815,291,722.40 and 1,038,007,597.60 is: 1,557,011,396.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,194,481.60 : 1,815,291,722.40 = 1,038,007,597.60 : x
  2. Step 2: Convert to fraction form
    1,210,194,481.60/1,815,291,722.40 = 1,038,007,597.60/x
  3. Step 3: Cross multiply
    1,210,194,481.60x = 1,815,291,722.40 × 1,038,007,597.60
  4. Step 4: Simplify right side
    1,210,194,481.60x = 1,884,286,599,711,590,144
  5. Step 5: Solve for x
    x = 1,884,286,599,711,590,144/1,210,194,481.60
  6. Step 6: Final answer
    x = 1,557,011,396.40

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Half scale
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Double scale
Find fourth proportional to 1,210,194,482.60, 1,815,291,723.90 and 1,038,007,598.60
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.