Home / 712,407,957.80-1,068,746,178.86-269,883,181.92

Finding the Fourth Proportional to 712,407,957.80, 1,068,746,178.86 and 269,883,181.92

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Solution

The fourth proportional to 712,407,957.80, 1,068,746,178.86 and 269,883,181.92 is: 404,875,628.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,407,957.80 : 1,068,746,178.86 = 269,883,181.92 : x
  2. Step 2: Convert to fraction form
    712,407,957.80/1,068,746,178.86 = 269,883,181.92/x
  3. Step 3: Cross multiply
    712,407,957.80x = 1,068,746,178.86 × 269,883,181.92
  4. Step 4: Simplify right side
    712,407,957.80x = 288,436,619,414,228,864
  5. Step 5: Solve for x
    x = 288,436,619,414,228,864/712,407,957.80
  6. Step 6: Final answer
    x = 404,875,628.15

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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.