Home / 458,870,543.15-687,815,695.70-261,709,475.09

Finding the Fourth Proportional to 458,870,543.15, 687,815,695.70 and 261,709,475.09

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Solution

The fourth proportional to 458,870,543.15, 687,815,695.70 and 261,709,475.09 is: 392,284,681.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,870,543.15 : 687,815,695.70 = 261,709,475.09 : x
  2. Step 2: Convert to fraction form
    458,870,543.15/687,815,695.70 = 261,709,475.09/x
  3. Step 3: Cross multiply
    458,870,543.15x = 687,815,695.70 × 261,709,475.09
  4. Step 4: Simplify right side
    458,870,543.15x = 180,007,884,684,474,304
  5. Step 5: Solve for x
    x = 180,007,884,684,474,304/458,870,543.15
  6. Step 6: Final answer
    x = 392,284,681.09

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