Home / 356,995,365.20-535,493,047.80-248,156,248.40

Finding the Fourth Proportional to 356,995,365.20, 535,493,047.80 and 248,156,248.40

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Solution

The fourth proportional to 356,995,365.20, 535,493,047.80 and 248,156,248.40 is: 372,234,372.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,995,365.20 : 535,493,047.80 = 248,156,248.40 : x
  2. Step 2: Convert to fraction form
    356,995,365.20/535,493,047.80 = 248,156,248.40/x
  3. Step 3: Cross multiply
    356,995,365.20x = 535,493,047.80 × 248,156,248.40
  4. Step 4: Simplify right side
    356,995,365.20x = 132,885,945,786,329,872
  5. Step 5: Solve for x
    x = 132,885,945,786,329,872/356,995,365.20
  6. Step 6: Final answer
    x = 372,234,372.60

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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.