Home / 492,034,184.16-679,021,345.90-272,031,781.92

Finding the Fourth Proportional to 492,034,184.16, 679,021,345.90 and 272,031,781.92

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Solution

The fourth proportional to 492,034,184.16, 679,021,345.90 and 272,031,781.92 is: 375,411,694.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,034,184.16 : 679,021,345.90 = 272,031,781.92 : x
  2. Step 2: Convert to fraction form
    492,034,184.16/679,021,345.90 = 272,031,781.92/x
  3. Step 3: Cross multiply
    492,034,184.16x = 679,021,345.90 × 272,031,781.92
  4. Step 4: Simplify right side
    492,034,184.16x = 184,715,386,683,150,400
  5. Step 5: Solve for x
    x = 184,715,386,683,150,400/492,034,184.16
  6. Step 6: Final answer
    x = 375,411,694.21

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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.