Home / 672,882,700.31-928,539,384.28-375,501,602.74

Finding the Fourth Proportional to 672,882,700.31, 928,539,384.28 and 375,501,602.74

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Solution

The fourth proportional to 672,882,700.31, 928,539,384.28 and 375,501,602.74 is: 518,170,591.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,882,700.31 : 928,539,384.28 = 375,501,602.74 : x
  2. Step 2: Convert to fraction form
    672,882,700.31/928,539,384.28 = 375,501,602.74/x
  3. Step 3: Cross multiply
    672,882,700.31x = 928,539,384.28 × 375,501,602.74
  4. Step 4: Simplify right side
    672,882,700.31x = 348,668,027,002,031,424
  5. Step 5: Solve for x
    x = 348,668,027,002,031,424/672,882,700.31
  6. Step 6: Final answer
    x = 518,170,591.75

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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.