Home / 15,943,263,739.31-22,002,372,376.57-9,169,087,607.79

Finding the Fourth Proportional to 15,943,263,739.31, 22,002,372,376.57 and 9,169,087,607.79

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Solution

The fourth proportional to 15,943,263,739.31, 22,002,372,376.57 and 9,169,087,607.79 is: 12,653,725,309.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,943,263,739.31 : 22,002,372,376.57 = 9,169,087,607.79 : x
  2. Step 2: Convert to fraction form
    15,943,263,739.31/22,002,372,376.57 = 9,169,087,607.79/x
  3. Step 3: Cross multiply
    15,943,263,739.31x = 22,002,372,376.57 × 9,169,087,607.79
  4. Step 4: Simplify right side
    15,943,263,739.31x = 201,741,679,899,921,186,816
  5. Step 5: Solve for x
    x = 201,741,679,899,921,186,816/15,943,263,739.31
  6. Step 6: Final answer
    x = 12,653,725,309.86

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Double scale
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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.