Home / 656,373,710.23-984,560,479.21-268,196,139.20

Finding the Fourth Proportional to 656,373,710.23, 984,560,479.21 and 268,196,139.20

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Solution

The fourth proportional to 656,373,710.23, 984,560,479.21 and 268,196,139.20 is: 402,294,173.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,373,710.23 : 984,560,479.21 = 268,196,139.20 : x
  2. Step 2: Convert to fraction form
    656,373,710.23/984,560,479.21 = 268,196,139.20/x
  3. Step 3: Cross multiply
    656,373,710.23x = 984,560,479.21 × 268,196,139.20
  4. Step 4: Simplify right side
    656,373,710.23x = 264,055,319,333,023,872
  5. Step 5: Solve for x
    x = 264,055,319,333,023,872/656,373,710.23
  6. Step 6: Final answer
    x = 402,294,173.60

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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.