Home / 492,034,348.53-679,021,571.97-272,031,946.29

Finding the Fourth Proportional to 492,034,348.53, 679,021,571.97 and 272,031,946.29

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Solution

The fourth proportional to 492,034,348.53, 679,021,571.97 and 272,031,946.29 is: 375,411,920.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,034,348.53 : 679,021,571.97 = 272,031,946.29 : x
  2. Step 2: Convert to fraction form
    492,034,348.53/679,021,571.97 = 272,031,946.29/x
  3. Step 3: Cross multiply
    492,034,348.53x = 679,021,571.97 × 272,031,946.29
  4. Step 4: Simplify right side
    492,034,348.53x = 184,715,559,795,894,432
  5. Step 5: Solve for x
    x = 184,715,559,795,894,432/492,034,348.53
  6. Step 6: Final answer
    x = 375,411,920.63

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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.