Home / 870,723,311.40-1,201,552,808.58-540,691,370.28

Finding the Fourth Proportional to 870,723,311.40, 1,201,552,808.58 and 540,691,370.28

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Solution

The fourth proportional to 870,723,311.40, 1,201,552,808.58 and 540,691,370.28 is: 746,125,923.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,723,311.40 : 1,201,552,808.58 = 540,691,370.28 : x
  2. Step 2: Convert to fraction form
    870,723,311.40/1,201,552,808.58 = 540,691,370.28/x
  3. Step 3: Cross multiply
    870,723,311.40x = 1,201,552,808.58 × 540,691,370.28
  4. Step 4: Simplify right side
    870,723,311.40x = 649,669,234,534,902,656
  5. Step 5: Solve for x
    x = 649,669,234,534,902,656/870,723,311.40
  6. Step 6: Final answer
    x = 746,125,923.16

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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.