Home / 525,187,887.52-724,773,766.80-290,253,776.80

Finding the Fourth Proportional to 525,187,887.52, 724,773,766.80 and 290,253,776.80

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Solution

The fourth proportional to 525,187,887.52, 724,773,766.80 and 290,253,776.80 is: 400,558,215.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,187,887.52 : 724,773,766.80 = 290,253,776.80 : x
  2. Step 2: Convert to fraction form
    525,187,887.52/724,773,766.80 = 290,253,776.80/x
  3. Step 3: Cross multiply
    525,187,887.52x = 724,773,766.80 × 290,253,776.80
  4. Step 4: Simplify right side
    525,187,887.52x = 210,368,323,139,262,432
  5. Step 5: Solve for x
    x = 210,368,323,139,262,432/525,187,887.52
  6. Step 6: Final answer
    x = 400,558,215.71

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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.