Home / 1,216,171,106.10-1,824,256,659.15-825,880,835.70

Finding the Fourth Proportional to 1,216,171,106.10, 1,824,256,659.15 and 825,880,835.70

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Solution

The fourth proportional to 1,216,171,106.10, 1,824,256,659.15 and 825,880,835.70 is: 1,238,821,253.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,171,106.10 : 1,824,256,659.15 = 825,880,835.70 : x
  2. Step 2: Convert to fraction form
    1,216,171,106.10/1,824,256,659.15 = 825,880,835.70/x
  3. Step 3: Cross multiply
    1,216,171,106.10x = 1,824,256,659.15 × 825,880,835.70
  4. Step 4: Simplify right side
    1,216,171,106.10x = 1,506,618,614,190,092,288
  5. Step 5: Solve for x
    x = 1,506,618,614,190,092,288/1,216,171,106.10
  6. Step 6: Final answer
    x = 1,238,821,253.55

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Double scale
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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.