Home / 656,191,086-984,502,158.18-268,340,129.76

Finding the Fourth Proportional to 656,191,086, 984,502,158.18 and 268,340,129.76

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Solution

The fourth proportional to 656,191,086, 984,502,158.18 and 268,340,129.76 is: 402,598,332.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,191,086 : 984,502,158.18 = 268,340,129.76 : x
  2. Step 2: Convert to fraction form
    656,191,086/984,502,158.18 = 268,340,129.76/x
  3. Step 3: Cross multiply
    656,191,086x = 984,502,158.18 × 268,340,129.76
  4. Step 4: Simplify right side
    656,191,086x = 264,181,436,875,021,216
  5. Step 5: Solve for x
    x = 264,181,436,875,021,216/656,191,086
  6. Step 6: Final answer
    x = 402,598,332.27

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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.