Home / 492,034,310.26-679,021,519.80-272,031,908.02

Finding the Fourth Proportional to 492,034,310.26, 679,021,519.80 and 272,031,908.02

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Solution

The fourth proportional to 492,034,310.26, 679,021,519.80 and 272,031,908.02 is: 375,411,868.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,034,310.26 : 679,021,519.80 = 272,031,908.02 : x
  2. Step 2: Convert to fraction form
    492,034,310.26/679,021,519.80 = 272,031,908.02/x
  3. Step 3: Cross multiply
    492,034,310.26x = 679,021,519.80 × 272,031,908.02
  4. Step 4: Simplify right side
    492,034,310.26x = 184,715,519,617,834,176
  5. Step 5: Solve for x
    x = 184,715,519,617,834,176/492,034,310.26
  6. Step 6: Final answer
    x = 375,411,868.17

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.