Home / 1,170,899,989.52-1,756,386,375.96-434,153,227.28

Finding the Fourth Proportional to 1,170,899,989.52, 1,756,386,375.96 and 434,153,227.28

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Solution

The fourth proportional to 1,170,899,989.52, 1,756,386,375.96 and 434,153,227.28 is: 651,243,334.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,899,989.52 : 1,756,386,375.96 = 434,153,227.28 : x
  2. Step 2: Convert to fraction form
    1,170,899,989.52/1,756,386,375.96 = 434,153,227.28/x
  3. Step 3: Cross multiply
    1,170,899,989.52x = 1,756,386,375.96 × 434,153,227.28
  4. Step 4: Simplify right side
    1,170,899,989.52x = 762,540,813,473,657,344
  5. Step 5: Solve for x
    x = 762,540,813,473,657,344/1,170,899,989.52
  6. Step 6: Final answer
    x = 651,243,334.44

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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.