Home / 265,721,167.20-398,581,750.80-248,502,478.80

Finding the Fourth Proportional to 265,721,167.20, 398,581,750.80 and 248,502,478.80

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Solution

The fourth proportional to 265,721,167.20, 398,581,750.80 and 248,502,478.80 is: 372,753,718.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,721,167.20 : 398,581,750.80 = 248,502,478.80 : x
  2. Step 2: Convert to fraction form
    265,721,167.20/398,581,750.80 = 248,502,478.80/x
  3. Step 3: Cross multiply
    265,721,167.20x = 398,581,750.80 × 248,502,478.80
  4. Step 4: Simplify right side
    265,721,167.20x = 99,048,553,078,243,888
  5. Step 5: Solve for x
    x = 99,048,553,078,243,888/265,721,167.20
  6. Step 6: Final answer
    x = 372,753,718.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.