Home / 12,044,368,353.50-16,621,676,898.32-7,222,518,382.61

Finding the Fourth Proportional to 12,044,368,353.50, 16,621,676,898.32 and 7,222,518,382.61

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Solution

The fourth proportional to 12,044,368,353.50, 16,621,676,898.32 and 7,222,518,382.61 is: 9,967,344,357.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,044,368,353.50 : 16,621,676,898.32 = 7,222,518,382.61 : x
  2. Step 2: Convert to fraction form
    12,044,368,353.50/16,621,676,898.32 = 7,222,518,382.61/x
  3. Step 3: Cross multiply
    12,044,368,353.50x = 16,621,676,898.32 × 7,222,518,382.61
  4. Step 4: Simplify right side
    12,044,368,353.50x = 120,050,366,947,983,392,768
  5. Step 5: Solve for x
    x = 120,050,366,947,983,392,768/12,044,368,353.50
  6. Step 6: Final answer
    x = 9,967,344,357.51

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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.