Home / 619,468,857.45-929,199,152.70-250,998,373.53

Finding the Fourth Proportional to 619,468,857.45, 929,199,152.70 and 250,998,373.53

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Solution

The fourth proportional to 619,468,857.45, 929,199,152.70 and 250,998,373.53 is: 376,495,885.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,468,857.45 : 929,199,152.70 = 250,998,373.53 : x
  2. Step 2: Convert to fraction form
    619,468,857.45/929,199,152.70 = 250,998,373.53/x
  3. Step 3: Cross multiply
    619,468,857.45x = 929,199,152.70 × 250,998,373.53
  4. Step 4: Simplify right side
    619,468,857.45x = 233,227,476,013,154,112
  5. Step 5: Solve for x
    x = 233,227,476,013,154,112/619,468,857.45
  6. Step 6: Final answer
    x = 376,495,885.48

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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.