Home / 1,145,482,704.11-1,717,520,866.35-445,157,126.39

Finding the Fourth Proportional to 1,145,482,704.11, 1,717,520,866.35 and 445,157,126.39

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Solution

The fourth proportional to 1,145,482,704.11, 1,717,520,866.35 and 445,157,126.39 is: 667,462,416.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,482,704.11 : 1,717,520,866.35 = 445,157,126.39 : x
  2. Step 2: Convert to fraction form
    1,145,482,704.11/1,717,520,866.35 = 445,157,126.39/x
  3. Step 3: Cross multiply
    1,145,482,704.11x = 1,717,520,866.35 × 445,157,126.39
  4. Step 4: Simplify right side
    1,145,482,704.11x = 764,566,653,381,875,840
  5. Step 5: Solve for x
    x = 764,566,653,381,875,840/1,145,482,704.11
  6. Step 6: Final answer
    x = 667,462,416.18

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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.