Home / 83,691,885,719.04-115,491,475,630.44-49,408,635,518.16

Finding the Fourth Proportional to 83,691,885,719.04, 115,491,475,630.44 and 49,408,635,518.16

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Solution

The fourth proportional to 83,691,885,719.04, 115,491,475,630.44 and 49,408,635,518.16 is: 68,181,953,075.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,691,885,719.04 : 115,491,475,630.44 = 49,408,635,518.16 : x
  2. Step 2: Convert to fraction form
    83,691,885,719.04/115,491,475,630.44 = 49,408,635,518.16/x
  3. Step 3: Cross multiply
    83,691,885,719.04x = 115,491,475,630.44 × 49,408,635,518.16
  4. Step 4: Simplify right side
    83,691,885,719.04x = 5,706,276,224,878,868,692,992
  5. Step 5: Solve for x
    x = 5,706,276,224,878,868,692,992/83,691,885,719.04
  6. Step 6: Final answer
    x = 68,181,953,075.30

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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.