Home / 65,679,533,226.42-90,638,469,254.30-38,583,949,570.29

Finding the Fourth Proportional to 65,679,533,226.42, 90,638,469,254.30 and 38,583,949,570.29

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Solution

The fourth proportional to 65,679,533,226.42, 90,638,469,254.30 and 38,583,949,570.29 is: 53,246,269,500.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,679,533,226.42 : 90,638,469,254.30 = 38,583,949,570.29 : x
  2. Step 2: Convert to fraction form
    65,679,533,226.42/90,638,469,254.30 = 38,583,949,570.29/x
  3. Step 3: Cross multiply
    65,679,533,226.42x = 90,638,469,254.30 × 38,583,949,570.29
  4. Step 4: Simplify right side
    65,679,533,226.42x = 3,497,190,126,836,346,519,552
  5. Step 5: Solve for x
    x = 3,497,190,126,836,346,519,552/65,679,533,226.42
  6. Step 6: Final answer
    x = 53,246,269,500.43

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Double scale
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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.