Home / 431,328,500.60-646,992,750.90-268,069,825.40

Finding the Fourth Proportional to 431,328,500.60, 646,992,750.90 and 268,069,825.40

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Solution

The fourth proportional to 431,328,500.60, 646,992,750.90 and 268,069,825.40 is: 402,104,738.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,328,500.60 : 646,992,750.90 = 268,069,825.40 : x
  2. Step 2: Convert to fraction form
    431,328,500.60/646,992,750.90 = 268,069,825.40/x
  3. Step 3: Cross multiply
    431,328,500.60x = 646,992,750.90 × 268,069,825.40
  4. Step 4: Simplify right side
    431,328,500.60x = 173,439,233,768,828,704
  5. Step 5: Solve for x
    x = 173,439,233,768,828,704/431,328,500.60
  6. Step 6: Final answer
    x = 402,104,738.10

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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.