Home / 385,642,259.28-532,263,562.56-229,096,332.72

Finding the Fourth Proportional to 385,642,259.28, 532,263,562.56 and 229,096,332.72

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Solution

The fourth proportional to 385,642,259.28, 532,263,562.56 and 229,096,332.72 is: 316,198,827.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,642,259.28 : 532,263,562.56 = 229,096,332.72 : x
  2. Step 2: Convert to fraction form
    385,642,259.28/532,263,562.56 = 229,096,332.72/x
  3. Step 3: Cross multiply
    385,642,259.28x = 532,263,562.56 × 229,096,332.72
  4. Step 4: Simplify right side
    385,642,259.28x = 121,939,630,222,978,288
  5. Step 5: Solve for x
    x = 121,939,630,222,978,288/385,642,259.28
  6. Step 6: Final answer
    x = 316,198,827.51

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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.