Home / 8,658,051,617.10-12,987,077,425.65-7,418,306,052.30

Finding the Fourth Proportional to 8,658,051,617.10, 12,987,077,425.65 and 7,418,306,052.30

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Solution

The fourth proportional to 8,658,051,617.10, 12,987,077,425.65 and 7,418,306,052.30 is: 11,127,459,078.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,658,051,617.10 : 12,987,077,425.65 = 7,418,306,052.30 : x
  2. Step 2: Convert to fraction form
    8,658,051,617.10/12,987,077,425.65 = 7,418,306,052.30/x
  3. Step 3: Cross multiply
    8,658,051,617.10x = 12,987,077,425.65 × 7,418,306,052.30
  4. Step 4: Simplify right side
    8,658,051,617.10x = 96,342,115,068,388,098,048
  5. Step 5: Solve for x
    x = 96,342,115,068,388,098,048/8,658,051,617.10
  6. Step 6: Final answer
    x = 11,127,459,078.45

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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.