Home / 840,086,151.30-1,159,319,098.90-463,742,957.70

Finding the Fourth Proportional to 840,086,151.30, 1,159,319,098.90 and 463,742,957.70

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Solution

The fourth proportional to 840,086,151.30, 1,159,319,098.90 and 463,742,957.70 is: 639,965,397.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,086,151.30 : 1,159,319,098.90 = 463,742,957.70 : x
  2. Step 2: Convert to fraction form
    840,086,151.30/1,159,319,098.90 = 463,742,957.70/x
  3. Step 3: Cross multiply
    840,086,151.30x = 1,159,319,098.90 × 463,742,957.70
  4. Step 4: Simplify right side
    840,086,151.30x = 537,626,067,841,984,832
  5. Step 5: Solve for x
    x = 537,626,067,841,984,832/840,086,151.30
  6. Step 6: Final answer
    x = 639,965,397.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.