Home / 516,337,221-712,545,379.56-284,550,213

Finding the Fourth Proportional to 516,337,221, 712,545,379.56 and 284,550,213

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Solution

The fourth proportional to 516,337,221, 712,545,379.56 and 284,550,213 is: 392,679,301.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,337,221 : 712,545,379.56 = 284,550,213 : x
  2. Step 2: Convert to fraction form
    516,337,221/712,545,379.56 = 284,550,213/x
  3. Step 3: Cross multiply
    516,337,221x = 712,545,379.56 × 284,550,213
  4. Step 4: Simplify right side
    516,337,221x = 202,754,939,525,963,840
  5. Step 5: Solve for x
    x = 202,754,939,525,963,840/516,337,221
  6. Step 6: Final answer
    x = 392,679,301.97

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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.