Home / 508,444,977.60-701,651,248.56-285,426,600.30

Finding the Fourth Proportional to 508,444,977.60, 701,651,248.56 and 285,426,600.30

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Solution

The fourth proportional to 508,444,977.60, 701,651,248.56 and 285,426,600.30 is: 393,887,125.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,444,977.60 : 701,651,248.56 = 285,426,600.30 : x
  2. Step 2: Convert to fraction form
    508,444,977.60/701,651,248.56 = 285,426,600.30/x
  3. Step 3: Cross multiply
    508,444,977.60x = 701,651,248.56 × 285,426,600.30
  4. Step 4: Simplify right side
    508,444,977.60x = 200,269,930,472,731,072
  5. Step 5: Solve for x
    x = 200,269,930,472,731,072/508,444,977.60
  6. Step 6: Final answer
    x = 393,887,125.05

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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.