Home / 518,793,323.70-715,933,947.87-283,844,931.06

Finding the Fourth Proportional to 518,793,323.70, 715,933,947.87 and 283,844,931.06

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Solution

The fourth proportional to 518,793,323.70, 715,933,947.87 and 283,844,931.06 is: 391,705,545.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,793,323.70 : 715,933,947.87 = 283,844,931.06 : x
  2. Step 2: Convert to fraction form
    518,793,323.70/715,933,947.87 = 283,844,931.06/x
  3. Step 3: Cross multiply
    518,793,323.70x = 715,933,947.87 × 283,844,931.06
  4. Step 4: Simplify right side
    518,793,323.70x = 203,214,222,076,673,792
  5. Step 5: Solve for x
    x = 203,214,222,076,673,792/518,793,323.70
  6. Step 6: Final answer
    x = 391,705,545.91

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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.