Home / 291,721,644.59-437,582,428.61-119,198,279.70

Finding the Fourth Proportional to 291,721,644.59, 437,582,428.61 and 119,198,279.70

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Solution

The fourth proportional to 291,721,644.59, 437,582,428.61 and 119,198,279.70 is: 178,797,403.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,721,644.59 : 437,582,428.61 = 119,198,279.70 : x
  2. Step 2: Convert to fraction form
    291,721,644.59/437,582,428.61 = 119,198,279.70/x
  3. Step 3: Cross multiply
    291,721,644.59x = 437,582,428.61 × 119,198,279.70
  4. Step 4: Simplify right side
    291,721,644.59x = 52,159,072,716,664,072
  5. Step 5: Solve for x
    x = 52,159,072,716,664,072/291,721,644.59
  6. Step 6: Final answer
    x = 178,797,403.91

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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.