Home / 541,415,900.64-747,154,890.72-293,897,422.56

Finding the Fourth Proportional to 541,415,900.64, 747,154,890.72 and 293,897,422.56

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Solution

The fourth proportional to 541,415,900.64, 747,154,890.72 and 293,897,422.56 is: 405,578,957.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,415,900.64 : 747,154,890.72 = 293,897,422.56 : x
  2. Step 2: Convert to fraction form
    541,415,900.64/747,154,890.72 = 293,897,422.56/x
  3. Step 3: Cross multiply
    541,415,900.64x = 747,154,890.72 × 293,897,422.56
  4. Step 4: Simplify right side
    541,415,900.64x = 219,586,896,635,706,464
  5. Step 5: Solve for x
    x = 219,586,896,635,706,464/541,415,900.64
  6. Step 6: Final answer
    x = 405,578,957.65

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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.