Home / 419,885,395.43-579,455,762.45-229,156,856.60

Finding the Fourth Proportional to 419,885,395.43, 579,455,762.45 and 229,156,856.60

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Solution

The fourth proportional to 419,885,395.43, 579,455,762.45 and 229,156,856.60 is: 316,244,057.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,885,395.43 : 579,455,762.45 = 229,156,856.60 : x
  2. Step 2: Convert to fraction form
    419,885,395.43/579,455,762.45 = 229,156,856.60/x
  3. Step 3: Cross multiply
    419,885,395.43x = 579,455,762.45 × 229,156,856.60
  4. Step 4: Simplify right side
    419,885,395.43x = 132,786,261,057,755,264
  5. Step 5: Solve for x
    x = 132,786,261,057,755,264/419,885,395.43
  6. Step 6: Final answer
    x = 316,244,057.32

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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.