Home / 627,042,991.07-864,516,052.86-513,594,545.45

Finding the Fourth Proportional to 627,042,991.07, 864,516,052.86 and 513,594,545.45

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Solution

The fourth proportional to 627,042,991.07, 864,516,052.86 and 513,594,545.45 is: 708,102,531.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,042,991.07 : 864,516,052.86 = 513,594,545.45 : x
  2. Step 2: Convert to fraction form
    627,042,991.07/864,516,052.86 = 513,594,545.45/x
  3. Step 3: Cross multiply
    627,042,991.07x = 864,516,052.86 × 513,594,545.45
  4. Step 4: Simplify right side
    627,042,991.07x = 444,010,729,205,021,184
  5. Step 5: Solve for x
    x = 444,010,729,205,021,184/627,042,991.07
  6. Step 6: Final answer
    x = 708,102,531.29

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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.