Home / 347,681,380,120.80-521,522,070,181.20-284,867,604,837.60

Finding the Fourth Proportional to 347,681,380,120.80, 521,522,070,181.20 and 284,867,604,837.60

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Solution

The fourth proportional to 347,681,380,120.80, 521,522,070,181.20 and 284,867,604,837.60 is: 427,301,407,256.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,681,380,120.80 : 521,522,070,181.20 = 284,867,604,837.60 : x
  2. Step 2: Convert to fraction form
    347,681,380,120.80/521,522,070,181.20 = 284,867,604,837.60/x
  3. Step 3: Cross multiply
    347,681,380,120.80x = 521,522,070,181.20 × 284,867,604,837.60
  4. Step 4: Simplify right side
    347,681,380,120.80x = 148,564,743,002,465,161,445,376
  5. Step 5: Solve for x
    x = 148,564,743,002,465,161,445,376/347,681,380,120.80
  6. Step 6: Final answer
    x = 427,301,407,256.40

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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.