Home / 1,515,628,512.60-2,273,442,768.90-739,771,891.80

Finding the Fourth Proportional to 1,515,628,512.60, 2,273,442,768.90 and 739,771,891.80

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Solution

The fourth proportional to 1,515,628,512.60, 2,273,442,768.90 and 739,771,891.80 is: 1,109,657,837.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,628,512.60 : 2,273,442,768.90 = 739,771,891.80 : x
  2. Step 2: Convert to fraction form
    1,515,628,512.60/2,273,442,768.90 = 739,771,891.80/x
  3. Step 3: Cross multiply
    1,515,628,512.60x = 2,273,442,768.90 × 739,771,891.80
  4. Step 4: Simplify right side
    1,515,628,512.60x = 1,681,829,058,048,183,040
  5. Step 5: Solve for x
    x = 1,681,829,058,048,183,040/1,515,628,512.60
  6. Step 6: Final answer
    x = 1,109,657,837.70

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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.