Home / 328,720,901.64-453,642,185.70-187,589,311.74

Finding the Fourth Proportional to 328,720,901.64, 453,642,185.70 and 187,589,311.74

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Solution

The fourth proportional to 328,720,901.64, 453,642,185.70 and 187,589,311.74 is: 258,877,439.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,720,901.64 : 453,642,185.70 = 187,589,311.74 : x
  2. Step 2: Convert to fraction form
    328,720,901.64/453,642,185.70 = 187,589,311.74/x
  3. Step 3: Cross multiply
    328,720,901.64x = 453,642,185.70 × 187,589,311.74
  4. Step 4: Simplify right side
    328,720,901.64x = 85,098,425,391,692,272
  5. Step 5: Solve for x
    x = 85,098,425,391,692,272/328,720,901.64
  6. Step 6: Final answer
    x = 258,877,439.70

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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.