Home / 65,192,366,720.70-97,788,428,024.64-20,427,290,393.40

Finding the Fourth Proportional to 65,192,366,720.70, 97,788,428,024.64 and 20,427,290,393.40

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Solution

The fourth proportional to 65,192,366,720.70, 97,788,428,024.64 and 20,427,290,393.40 is: 30,640,897,345.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,192,366,720.70 : 97,788,428,024.64 = 20,427,290,393.40 : x
  2. Step 2: Convert to fraction form
    65,192,366,720.70/97,788,428,024.64 = 20,427,290,393.40/x
  3. Step 3: Cross multiply
    65,192,366,720.70x = 97,788,428,024.64 × 20,427,290,393.40
  4. Step 4: Simplify right side
    65,192,366,720.70x = 1,997,552,616,373,416,099,840
  5. Step 5: Solve for x
    x = 1,997,552,616,373,416,099,840/65,192,366,720.70
  6. Step 6: Final answer
    x = 30,640,897,345.11

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1.5x scale

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.