Home / 492,034,184.66-679,021,346.59-272,031,782.42

Finding the Fourth Proportional to 492,034,184.66, 679,021,346.59 and 272,031,782.42

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Solution

The fourth proportional to 492,034,184.66, 679,021,346.59 and 272,031,782.42 is: 375,411,694.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,034,184.66 : 679,021,346.59 = 272,031,782.42 : x
  2. Step 2: Convert to fraction form
    492,034,184.66/679,021,346.59 = 272,031,782.42/x
  3. Step 3: Cross multiply
    492,034,184.66x = 679,021,346.59 × 272,031,782.42
  4. Step 4: Simplify right side
    492,034,184.66x = 184,715,387,209,351,040
  5. Step 5: Solve for x
    x = 184,715,387,209,351,040/492,034,184.66
  6. Step 6: Final answer
    x = 375,411,694.90

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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.