Home / 525,884,793.60-788,827,190.40-321,811,449.60

Finding the Fourth Proportional to 525,884,793.60, 788,827,190.40 and 321,811,449.60

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Solution

The fourth proportional to 525,884,793.60, 788,827,190.40 and 321,811,449.60 is: 482,717,174.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,884,793.60 : 788,827,190.40 = 321,811,449.60 : x
  2. Step 2: Convert to fraction form
    525,884,793.60/788,827,190.40 = 321,811,449.60/x
  3. Step 3: Cross multiply
    525,884,793.60x = 788,827,190.40 × 321,811,449.60
  4. Step 4: Simplify right side
    525,884,793.60x = 253,853,621,626,519,200
  5. Step 5: Solve for x
    x = 253,853,621,626,519,200/525,884,793.60
  6. Step 6: Final answer
    x = 482,717,174.40

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Double scale
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Similar ratio
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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.