Home / 510,693,581.12-766,147,972.08-165,620,301.17

Finding the Fourth Proportional to 510,693,581.12, 766,147,972.08 and 165,620,301.17

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Solution

The fourth proportional to 510,693,581.12, 766,147,972.08 and 165,620,301.17 is: 248,465,347.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,693,581.12 : 766,147,972.08 = 165,620,301.17 : x
  2. Step 2: Convert to fraction form
    510,693,581.12/766,147,972.08 = 165,620,301.17/x
  3. Step 3: Cross multiply
    510,693,581.12x = 766,147,972.08 × 165,620,301.17
  4. Step 4: Simplify right side
    510,693,581.12x = 126,889,657,876,674,352
  5. Step 5: Solve for x
    x = 126,889,657,876,674,352/510,693,581.12
  6. Step 6: Final answer
    x = 248,465,347.06

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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.