Home / 8,408,512,318.03-11,598,279,456.98-5,392,988,621.23

Finding the Fourth Proportional to 8,408,512,318.03, 11,598,279,456.98 and 5,392,988,621.23

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Solution

The fourth proportional to 8,408,512,318.03, 11,598,279,456.98 and 5,392,988,621.23 is: 7,438,817,566.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,408,512,318.03 : 11,598,279,456.98 = 5,392,988,621.23 : x
  2. Step 2: Convert to fraction form
    8,408,512,318.03/11,598,279,456.98 = 5,392,988,621.23/x
  3. Step 3: Cross multiply
    8,408,512,318.03x = 11,598,279,456.98 × 5,392,988,621.23
  4. Step 4: Simplify right side
    8,408,512,318.03x = 62,549,389,137,338,793,984
  5. Step 5: Solve for x
    x = 62,549,389,137,338,793,984/8,408,512,318.03
  6. Step 6: Final answer
    x = 7,438,817,566.24

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1.5x scale

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.