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Finding the Fourth Proportional to 580,608,867.60, 870,913,301.40 and 521,486,384.40

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Solution

The fourth proportional to 580,608,867.60, 870,913,301.40 and 521,486,384.40 is: 782,229,576.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,608,867.60 : 870,913,301.40 = 521,486,384.40 : x
  2. Step 2: Convert to fraction form
    580,608,867.60/870,913,301.40 = 521,486,384.40/x
  3. Step 3: Cross multiply
    580,608,867.60x = 870,913,301.40 × 521,486,384.40
  4. Step 4: Simplify right side
    580,608,867.60x = 454,169,428,672,953,408
  5. Step 5: Solve for x
    x = 454,169,428,672,953,408/580,608,867.60
  6. Step 6: Final answer
    x = 782,229,576.60

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