Home / 534,134,418.60-801,201,627.90-485,666,999.40

Finding the Fourth Proportional to 534,134,418.60, 801,201,627.90 and 485,666,999.40

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Solution

The fourth proportional to 534,134,418.60, 801,201,627.90 and 485,666,999.40 is: 728,500,499.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,134,418.60 : 801,201,627.90 = 485,666,999.40 : x
  2. Step 2: Convert to fraction form
    534,134,418.60/801,201,627.90 = 485,666,999.40/x
  3. Step 3: Cross multiply
    534,134,418.60x = 801,201,627.90 × 485,666,999.40
  4. Step 4: Simplify right side
    534,134,418.60x = 389,117,190,536,588,288
  5. Step 5: Solve for x
    x = 389,117,190,536,588,288/534,134,418.60
  6. Step 6: Final answer
    x = 728,500,499.10

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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.