Home / 2,787,725,474.69-4,181,703,612.84-822,578,515.92

Finding the Fourth Proportional to 2,787,725,474.69, 4,181,703,612.84 and 822,578,515.92

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Solution

The fourth proportional to 2,787,725,474.69, 4,181,703,612.84 and 822,578,515.92 is: 1,233,901,825.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,787,725,474.69 : 4,181,703,612.84 = 822,578,515.92 : x
  2. Step 2: Convert to fraction form
    2,787,725,474.69/4,181,703,612.84 = 822,578,515.92/x
  3. Step 3: Cross multiply
    2,787,725,474.69x = 4,181,703,612.84 × 822,578,515.92
  4. Step 4: Simplify right side
    2,787,725,474.69x = 3,439,779,551,867,229,184
  5. Step 5: Solve for x
    x = 3,439,779,551,867,229,184/2,787,725,474.69
  6. Step 6: Final answer
    x = 1,233,901,825.38

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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.