Home / 672,882,701.31-928,539,385.66-375,501,603.74

Finding the Fourth Proportional to 672,882,701.31, 928,539,385.66 and 375,501,603.74

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Solution

The fourth proportional to 672,882,701.31, 928,539,385.66 and 375,501,603.74 is: 518,170,593.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,882,701.31 : 928,539,385.66 = 375,501,603.74 : x
  2. Step 2: Convert to fraction form
    672,882,701.31/928,539,385.66 = 375,501,603.74/x
  3. Step 3: Cross multiply
    672,882,701.31x = 928,539,385.66 × 375,501,603.74
  4. Step 4: Simplify right side
    672,882,701.31x = 348,668,028,451,084,352
  5. Step 5: Solve for x
    x = 348,668,028,451,084,352/672,882,701.31
  6. Step 6: Final answer
    x = 518,170,593.14

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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.