Home / 8,658,051,616.10-12,987,077,424.15-7,418,306,051.30

Finding the Fourth Proportional to 8,658,051,616.10, 12,987,077,424.15 and 7,418,306,051.30

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Solution

The fourth proportional to 8,658,051,616.10, 12,987,077,424.15 and 7,418,306,051.30 is: 11,127,459,076.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,658,051,616.10 : 12,987,077,424.15 = 7,418,306,051.30 : x
  2. Step 2: Convert to fraction form
    8,658,051,616.10/12,987,077,424.15 = 7,418,306,051.30/x
  3. Step 3: Cross multiply
    8,658,051,616.10x = 12,987,077,424.15 × 7,418,306,051.30
  4. Step 4: Simplify right side
    8,658,051,616.10x = 96,342,115,044,273,553,408
  5. Step 5: Solve for x
    x = 96,342,115,044,273,553,408/8,658,051,616.10
  6. Step 6: Final answer
    x = 11,127,459,076.95

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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.