Home / 12,044,367,920.92-16,621,676,301.15-7,222,517,948.88

Finding the Fourth Proportional to 12,044,367,920.92, 16,621,676,301.15 and 7,222,517,948.88

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Solution

The fourth proportional to 12,044,367,920.92, 16,621,676,301.15 and 7,222,517,948.88 is: 9,967,343,758.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,044,367,920.92 : 16,621,676,301.15 = 7,222,517,948.88 : x
  2. Step 2: Convert to fraction form
    12,044,367,920.92/16,621,676,301.15 = 7,222,517,948.88/x
  3. Step 3: Cross multiply
    12,044,367,920.92x = 16,621,676,301.15 × 7,222,517,948.88
  4. Step 4: Simplify right side
    12,044,367,920.92x = 120,050,355,425,582,383,104
  5. Step 5: Solve for x
    x = 120,050,355,425,582,383,104/12,044,367,920.92
  6. Step 6: Final answer
    x = 9,967,343,758.83

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1.5x scale

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.