Home / 555,146,044.08-766,106,103.96-307,631,531.76

Finding the Fourth Proportional to 555,146,044.08, 766,106,103.96 and 307,631,531.76

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Solution

The fourth proportional to 555,146,044.08, 766,106,103.96 and 307,631,531.76 is: 424,534,042.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,146,044.08 : 766,106,103.96 = 307,631,531.76 : x
  2. Step 2: Convert to fraction form
    555,146,044.08/766,106,103.96 = 307,631,531.76/x
  3. Step 3: Cross multiply
    555,146,044.08x = 766,106,103.96 × 307,631,531.76
  4. Step 4: Simplify right side
    555,146,044.08x = 235,678,394,251,900,608
  5. Step 5: Solve for x
    x = 235,678,394,251,900,608/555,146,044.08
  6. Step 6: Final answer
    x = 424,534,042.47

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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.