Home / 268,226,352.20-402,020,663.70-240,803,996.60

Finding the Fourth Proportional to 268,226,352.20, 402,020,663.70 and 240,803,996.60

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Solution

The fourth proportional to 268,226,352.20, 402,020,663.70 and 240,803,996.60 is: 360,919,729.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,226,352.20 : 402,020,663.70 = 240,803,996.60 : x
  2. Step 2: Convert to fraction form
    268,226,352.20/402,020,663.70 = 240,803,996.60/x
  3. Step 3: Cross multiply
    268,226,352.20x = 402,020,663.70 × 240,803,996.60
  4. Step 4: Simplify right side
    268,226,352.20x = 96,808,182,534,744,544
  5. Step 5: Solve for x
    x = 96,808,182,534,744,544/268,226,352.20
  6. Step 6: Final answer
    x = 360,919,729.70

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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.