Home / 6,438,528,841.20-9,657,793,261.80-5,520,198,793.20

Finding the Fourth Proportional to 6,438,528,841.20, 9,657,793,261.80 and 5,520,198,793.20

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Solution

The fourth proportional to 6,438,528,841.20, 9,657,793,261.80 and 5,520,198,793.20 is: 8,280,298,189.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,438,528,841.20 : 9,657,793,261.80 = 5,520,198,793.20 : x
  2. Step 2: Convert to fraction form
    6,438,528,841.20/9,657,793,261.80 = 5,520,198,793.20/x
  3. Step 3: Cross multiply
    6,438,528,841.20x = 9,657,793,261.80 × 5,520,198,793.20
  4. Step 4: Simplify right side
    6,438,528,841.20x = 53,312,938,708,763,443,200
  5. Step 5: Solve for x
    x = 53,312,938,708,763,443,200/6,438,528,841.20
  6. Step 6: Final answer
    x = 8,280,298,189.80

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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.