Home / 656,191,085-984,502,156.68-268,340,128.76

Finding the Fourth Proportional to 656,191,085, 984,502,156.68 and 268,340,128.76

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Solution

The fourth proportional to 656,191,085, 984,502,156.68 and 268,340,128.76 is: 402,598,330.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,191,085 : 984,502,156.68 = 268,340,128.76 : x
  2. Step 2: Convert to fraction form
    656,191,085/984,502,156.68 = 268,340,128.76/x
  3. Step 3: Cross multiply
    656,191,085x = 984,502,156.68 × 268,340,128.76
  4. Step 4: Simplify right side
    656,191,085x = 264,181,435,488,008,864
  5. Step 5: Solve for x
    x = 264,181,435,488,008,864/656,191,085
  6. Step 6: Final answer
    x = 402,598,330.77

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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.