Home / 385,642,260.28-532,263,563.94-229,096,333.72

Finding the Fourth Proportional to 385,642,260.28, 532,263,563.94 and 229,096,333.72

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Solution

The fourth proportional to 385,642,260.28, 532,263,563.94 and 229,096,333.72 is: 316,198,828.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,642,260.28 : 532,263,563.94 = 229,096,333.72 : x
  2. Step 2: Convert to fraction form
    385,642,260.28/532,263,563.94 = 229,096,333.72/x
  3. Step 3: Cross multiply
    385,642,260.28x = 532,263,563.94 × 229,096,333.72
  4. Step 4: Simplify right side
    385,642,260.28x = 121,939,631,071,394,800
  5. Step 5: Solve for x
    x = 121,939,631,071,394,800/385,642,260.28
  6. Step 6: Final answer
    x = 316,198,828.89

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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.