Home / 534,133,419.60-801,200,129.40-485,666,000.40

Finding the Fourth Proportional to 534,133,419.60, 801,200,129.40 and 485,666,000.40

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Solution

The fourth proportional to 534,133,419.60, 801,200,129.40 and 485,666,000.40 is: 728,499,000.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,133,419.60 : 801,200,129.40 = 485,666,000.40 : x
  2. Step 2: Convert to fraction form
    534,133,419.60/801,200,129.40 = 485,666,000.40/x
  3. Step 3: Cross multiply
    534,133,419.60x = 801,200,129.40 × 485,666,000.40
  4. Step 4: Simplify right side
    534,133,419.60x = 389,115,662,365,660,416
  5. Step 5: Solve for x
    x = 389,115,662,365,660,416/534,133,419.60
  6. Step 6: Final answer
    x = 728,499,000.60

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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.