Home / 356,724,427.20-535,086,640.80-253,412,296.80

Finding the Fourth Proportional to 356,724,427.20, 535,086,640.80 and 253,412,296.80

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Solution

The fourth proportional to 356,724,427.20, 535,086,640.80 and 253,412,296.80 is: 380,118,445.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,724,427.20 : 535,086,640.80 = 253,412,296.80 : x
  2. Step 2: Convert to fraction form
    356,724,427.20/535,086,640.80 = 253,412,296.80/x
  3. Step 3: Cross multiply
    356,724,427.20x = 535,086,640.80 × 253,412,296.80
  4. Step 4: Simplify right side
    356,724,427.20x = 135,597,534,632,124,592
  5. Step 5: Solve for x
    x = 135,597,534,632,124,592/356,724,427.20
  6. Step 6: Final answer
    x = 380,118,445.20

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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.