Home / 663,127,835.60-915,119,258.15-361,719,715.57

Finding the Fourth Proportional to 663,127,835.60, 915,119,258.15 and 361,719,715.57

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Solution

The fourth proportional to 663,127,835.60, 915,119,258.15 and 361,719,715.57 is: 499,174,759.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,127,835.60 : 915,119,258.15 = 361,719,715.57 : x
  2. Step 2: Convert to fraction form
    663,127,835.60/915,119,258.15 = 361,719,715.57/x
  3. Step 3: Cross multiply
    663,127,835.60x = 915,119,258.15 × 361,719,715.57
  4. Step 4: Simplify right side
    663,127,835.60x = 331,016,677,769,263,936
  5. Step 5: Solve for x
    x = 331,016,677,769,263,936/663,127,835.60
  6. Step 6: Final answer
    x = 499,174,759.37

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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.