Home / 458,967,438.49-688,654,461.30-240,565,876.51

Finding the Fourth Proportional to 458,967,438.49, 688,654,461.30 and 240,565,876.51

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Solution

The fourth proportional to 458,967,438.49, 688,654,461.30 and 240,565,876.51 is: 360,955,375.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,967,438.49 : 688,654,461.30 = 240,565,876.51 : x
  2. Step 2: Convert to fraction form
    458,967,438.49/688,654,461.30 = 240,565,876.51/x
  3. Step 3: Cross multiply
    458,967,438.49x = 688,654,461.30 × 240,565,876.51
  4. Step 4: Simplify right side
    458,967,438.49x = 165,666,764,095,156,352
  5. Step 5: Solve for x
    x = 165,666,764,095,156,352/458,967,438.49
  6. Step 6: Final answer
    x = 360,955,375.48

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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.