Home / 681,722,853.78-1,022,627,328.10-288,176,293.46

Finding the Fourth Proportional to 681,722,853.78, 1,022,627,328.10 and 288,176,293.46

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Solution

The fourth proportional to 681,722,853.78, 1,022,627,328.10 and 288,176,293.46 is: 432,282,637.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,722,853.78 : 1,022,627,328.10 = 288,176,293.46 : x
  2. Step 2: Convert to fraction form
    681,722,853.78/1,022,627,328.10 = 288,176,293.46/x
  3. Step 3: Cross multiply
    681,722,853.78x = 1,022,627,328.10 × 288,176,293.46
  4. Step 4: Simplify right side
    681,722,853.78x = 294,696,953,002,761,280
  5. Step 5: Solve for x
    x = 294,696,953,002,761,280/681,722,853.78
  6. Step 6: Final answer
    x = 432,282,637.10

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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.