Home / 762,703,920.34-1,144,407,732.59-348,307,777.35

Finding the Fourth Proportional to 762,703,920.34, 1,144,407,732.59 and 348,307,777.35

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Solution

The fourth proportional to 762,703,920.34, 1,144,407,732.59 and 348,307,777.35 is: 522,622,348.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,703,920.34 : 1,144,407,732.59 = 348,307,777.35 : x
  2. Step 2: Convert to fraction form
    762,703,920.34/1,144,407,732.59 = 348,307,777.35/x
  3. Step 3: Cross multiply
    762,703,920.34x = 1,144,407,732.59 × 348,307,777.35
  4. Step 4: Simplify right side
    762,703,920.34x = 398,606,113,721,446,848
  5. Step 5: Solve for x
    x = 398,606,113,721,446,848/762,703,920.34
  6. Step 6: Final answer
    x = 522,622,348.06

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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.