Home / 979,244,234.10-1,468,866,351.15-688,439,718.90

Finding the Fourth Proportional to 979,244,234.10, 1,468,866,351.15 and 688,439,718.90

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Solution

The fourth proportional to 979,244,234.10, 1,468,866,351.15 and 688,439,718.90 is: 1,032,659,578.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,244,234.10 : 1,468,866,351.15 = 688,439,718.90 : x
  2. Step 2: Convert to fraction form
    979,244,234.10/1,468,866,351.15 = 688,439,718.90/x
  3. Step 3: Cross multiply
    979,244,234.10x = 1,468,866,351.15 × 688,439,718.90
  4. Step 4: Simplify right side
    979,244,234.10x = 1,011,225,937,887,374,720
  5. Step 5: Solve for x
    x = 1,011,225,937,887,374,720/979,244,234.10
  6. Step 6: Final answer
    x = 1,032,659,578.35

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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.