Home / 708,840,209.70-1,063,260,314.55-611,905,371.30

Finding the Fourth Proportional to 708,840,209.70, 1,063,260,314.55 and 611,905,371.30

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Solution

The fourth proportional to 708,840,209.70, 1,063,260,314.55 and 611,905,371.30 is: 917,858,056.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,840,209.70 : 1,063,260,314.55 = 611,905,371.30 : x
  2. Step 2: Convert to fraction form
    708,840,209.70/1,063,260,314.55 = 611,905,371.30/x
  3. Step 3: Cross multiply
    708,840,209.70x = 1,063,260,314.55 × 611,905,371.30
  4. Step 4: Simplify right side
    708,840,209.70x = 650,614,697,563,272,448
  5. Step 5: Solve for x
    x = 650,614,697,563,272,448/708,840,209.70
  6. Step 6: Final answer
    x = 917,858,056.95

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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.