Home / 10,913,139,067.80-16,369,708,601.70-9,811,143,010.20

Finding the Fourth Proportional to 10,913,139,067.80, 16,369,708,601.70 and 9,811,143,010.20

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Solution

The fourth proportional to 10,913,139,067.80, 16,369,708,601.70 and 9,811,143,010.20 is: 14,716,714,515.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,913,139,067.80 : 16,369,708,601.70 = 9,811,143,010.20 : x
  2. Step 2: Convert to fraction form
    10,913,139,067.80/16,369,708,601.70 = 9,811,143,010.20/x
  3. Step 3: Cross multiply
    10,913,139,067.80x = 16,369,708,601.70 × 9,811,143,010.20
  4. Step 4: Simplify right side
    10,913,139,067.80x = 160,605,552,126,579,802,112
  5. Step 5: Solve for x
    x = 160,605,552,126,579,802,112/10,913,139,067.80
  6. Step 6: Final answer
    x = 14,716,714,515.30

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Double scale
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1.5x scale

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.