Home / 3,962,659,411.48-5,468,473,505.64-2,178,543,218.98

Finding the Fourth Proportional to 3,962,659,411.48, 5,468,473,505.64 and 2,178,543,218.98

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Solution

The fourth proportional to 3,962,659,411.48, 5,468,473,505.64 and 2,178,543,218.98 is: 3,006,391,576.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,962,659,411.48 : 5,468,473,505.64 = 2,178,543,218.98 : x
  2. Step 2: Convert to fraction form
    3,962,659,411.48/5,468,473,505.64 = 2,178,543,218.98/x
  3. Step 3: Cross multiply
    3,962,659,411.48x = 5,468,473,505.64 × 2,178,543,218.98
  4. Step 4: Simplify right side
    3,962,659,411.48x = 11,913,305,873,883,811,840
  5. Step 5: Solve for x
    x = 11,913,305,873,883,811,840/3,962,659,411.48
  6. Step 6: Final answer
    x = 3,006,391,576.16

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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.