Home / 376,812,904.40-519,925,576.56-220,149,754.64

Finding the Fourth Proportional to 376,812,904.40, 519,925,576.56 and 220,149,754.64

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Solution

The fourth proportional to 376,812,904.40, 519,925,576.56 and 220,149,754.64 is: 303,762,123.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,812,904.40 : 519,925,576.56 = 220,149,754.64 : x
  2. Step 2: Convert to fraction form
    376,812,904.40/519,925,576.56 = 220,149,754.64/x
  3. Step 3: Cross multiply
    376,812,904.40x = 519,925,576.56 × 220,149,754.64
  4. Step 4: Simplify right side
    376,812,904.40x = 114,461,488,110,744,528
  5. Step 5: Solve for x
    x = 114,461,488,110,744,528/376,812,904.40
  6. Step 6: Final answer
    x = 303,762,123.79

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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.