Home / 31,101,507,287.10-42,920,052,324.12-17,555,995,611.90

Finding the Fourth Proportional to 31,101,507,287.10, 42,920,052,324.12 and 17,555,995,611.90

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Solution

The fourth proportional to 31,101,507,287.10, 42,920,052,324.12 and 17,555,995,611.90 is: 24,227,258,290.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,101,507,287.10 : 42,920,052,324.12 = 17,555,995,611.90 : x
  2. Step 2: Convert to fraction form
    31,101,507,287.10/42,920,052,324.12 = 17,555,995,611.90/x
  3. Step 3: Cross multiply
    31,101,507,287.10x = 42,920,052,324.12 × 17,555,995,611.90
  4. Step 4: Simplify right side
    31,101,507,287.10x = 753,504,250,264,769,265,664
  5. Step 5: Solve for x
    x = 753,504,250,264,769,265,664/31,101,507,287.10
  6. Step 6: Final answer
    x = 24,227,258,290.38

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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.