Home / 804,816,390.20-1,207,224,585.30-585,437,545.40

Finding the Fourth Proportional to 804,816,390.20, 1,207,224,585.30 and 585,437,545.40

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Solution

The fourth proportional to 804,816,390.20, 1,207,224,585.30 and 585,437,545.40 is: 878,156,318.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,816,390.20 : 1,207,224,585.30 = 585,437,545.40 : x
  2. Step 2: Convert to fraction form
    804,816,390.20/1,207,224,585.30 = 585,437,545.40/x
  3. Step 3: Cross multiply
    804,816,390.20x = 1,207,224,585.30 × 585,437,545.40
  4. Step 4: Simplify right side
    804,816,390.20x = 706,754,597,964,564,864
  5. Step 5: Solve for x
    x = 706,754,597,964,564,864/804,816,390.20
  6. Step 6: Final answer
    x = 878,156,318.10

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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.