Home / 2,578,411,700.15-3,867,612,716.91-807,917,960.54

Finding the Fourth Proportional to 2,578,411,700.15, 3,867,612,716.91 and 807,917,960.54

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Solution

The fourth proportional to 2,578,411,700.15, 3,867,612,716.91 and 807,917,960.54 is: 1,211,875,426.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,578,411,700.15 : 3,867,612,716.91 = 807,917,960.54 : x
  2. Step 2: Convert to fraction form
    2,578,411,700.15/3,867,612,716.91 = 807,917,960.54/x
  3. Step 3: Cross multiply
    2,578,411,700.15x = 3,867,612,716.91 × 807,917,960.54
  4. Step 4: Simplify right side
    2,578,411,700.15x = 3,124,713,778,417,234,432
  5. Step 5: Solve for x
    x = 3,124,713,778,417,234,432/2,578,411,700.15
  6. Step 6: Final answer
    x = 1,211,875,426.35

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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.