Home / 534,134,419.10-801,201,628.65-485,666,999.90

Finding the Fourth Proportional to 534,134,419.10, 801,201,628.65 and 485,666,999.90

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Solution

The fourth proportional to 534,134,419.10, 801,201,628.65 and 485,666,999.90 is: 728,500,499.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,134,419.10 : 801,201,628.65 = 485,666,999.90 : x
  2. Step 2: Convert to fraction form
    534,134,419.10/801,201,628.65 = 485,666,999.90/x
  3. Step 3: Cross multiply
    534,134,419.10x = 801,201,628.65 × 485,666,999.90
  4. Step 4: Simplify right side
    534,134,419.10x = 389,117,191,301,439,360
  5. Step 5: Solve for x
    x = 389,117,191,301,439,360/534,134,419.10
  6. Step 6: Final answer
    x = 728,500,499.85

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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.