Home / 415,854,269.90-573,856,156.95-227,646,154.70

Finding the Fourth Proportional to 415,854,269.90, 573,856,156.95 and 227,646,154.70

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Solution

The fourth proportional to 415,854,269.90, 573,856,156.95 and 227,646,154.70 is: 314,139,247.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,854,269.90 : 573,856,156.95 = 227,646,154.70 : x
  2. Step 2: Convert to fraction form
    415,854,269.90/573,856,156.95 = 227,646,154.70/x
  3. Step 3: Cross multiply
    415,854,269.90x = 573,856,156.95 × 227,646,154.70
  4. Step 4: Simplify right side
    415,854,269.90x = 130,636,147,479,448,960
  5. Step 5: Solve for x
    x = 130,636,147,479,448,960/415,854,269.90
  6. Step 6: Final answer
    x = 314,139,247.66

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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.