Home / 488,870,455.60-674,631,873.12-268,853,881.60

Finding the Fourth Proportional to 488,870,455.60, 674,631,873.12 and 268,853,881.60

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Solution

The fourth proportional to 488,870,455.60, 674,631,873.12 and 268,853,881.60 is: 371,013,211.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,870,455.60 : 674,631,873.12 = 268,853,881.60 : x
  2. Step 2: Convert to fraction form
    488,870,455.60/674,631,873.12 = 268,853,881.60/x
  3. Step 3: Cross multiply
    488,870,455.60x = 674,631,873.12 × 268,853,881.60
  4. Step 4: Simplify right side
    488,870,455.60x = 181,377,397,739,390,720
  5. Step 5: Solve for x
    x = 181,377,397,739,390,720/488,870,455.60
  6. Step 6: Final answer
    x = 371,013,211.50

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Why These Related Problems?

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