Home / 1,310,896,005.10-1,966,344,007.65-534,118,219.90

Finding the Fourth Proportional to 1,310,896,005.10, 1,966,344,007.65 and 534,118,219.90

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Solution

The fourth proportional to 1,310,896,005.10, 1,966,344,007.65 and 534,118,219.90 is: 801,177,329.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,896,005.10 : 1,966,344,007.65 = 534,118,219.90 : x
  2. Step 2: Convert to fraction form
    1,310,896,005.10/1,966,344,007.65 = 534,118,219.90/x
  3. Step 3: Cross multiply
    1,310,896,005.10x = 1,966,344,007.65 × 534,118,219.90
  4. Step 4: Simplify right side
    1,310,896,005.10x = 1,050,260,161,077,049,984
  5. Step 5: Solve for x
    x = 1,050,260,161,077,049,984/1,310,896,005.10
  6. Step 6: Final answer
    x = 801,177,329.85

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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.