Home / 839,331,211.76-1,158,278,188.12-462,979,310

Finding the Fourth Proportional to 839,331,211.76, 1,158,278,188.12 and 462,979,310

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Solution

The fourth proportional to 839,331,211.76, 1,158,278,188.12 and 462,979,310 is: 638,912,063.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,331,211.76 : 1,158,278,188.12 = 462,979,310 : x
  2. Step 2: Convert to fraction form
    839,331,211.76/1,158,278,188.12 = 462,979,310/x
  3. Step 3: Cross multiply
    839,331,211.76x = 1,158,278,188.12 × 462,979,310
  4. Step 4: Simplify right side
    839,331,211.76x = 536,258,836,323,847,744
  5. Step 5: Solve for x
    x = 536,258,836,323,847,744/839,331,211.76
  6. Step 6: Final answer
    x = 638,912,063.33

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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.