Home / 492,034,312.26-679,021,522.56-272,031,910.02

Finding the Fourth Proportional to 492,034,312.26, 679,021,522.56 and 272,031,910.02

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Solution

The fourth proportional to 492,034,312.26, 679,021,522.56 and 272,031,910.02 is: 375,411,870.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,034,312.26 : 679,021,522.56 = 272,031,910.02 : x
  2. Step 2: Convert to fraction form
    492,034,312.26/679,021,522.56 = 272,031,910.02/x
  3. Step 3: Cross multiply
    492,034,312.26x = 679,021,522.56 × 272,031,910.02
  4. Step 4: Simplify right side
    492,034,312.26x = 184,715,521,726,685,280
  5. Step 5: Solve for x
    x = 184,715,521,726,685,280/492,034,312.26
  6. Step 6: Final answer
    x = 375,411,870.93

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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.