Home / 28,744,944,459.20-43,113,385,610.40-9,117,623,729.60

Finding the Fourth Proportional to 28,744,944,459.20, 43,113,385,610.40 and 9,117,623,729.60

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Solution

The fourth proportional to 28,744,944,459.20, 43,113,385,610.40 and 9,117,623,729.60 is: 13,675,156,974.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,744,944,459.20 : 43,113,385,610.40 = 9,117,623,729.60 : x
  2. Step 2: Convert to fraction form
    28,744,944,459.20/43,113,385,610.40 = 9,117,623,729.60/x
  3. Step 3: Cross multiply
    28,744,944,459.20x = 43,113,385,610.40 × 9,117,623,729.60
  4. Step 4: Simplify right side
    28,744,944,459.20x = 393,091,627,704,778,227,712
  5. Step 5: Solve for x
    x = 393,091,627,704,778,227,712/28,744,944,459.20
  6. Step 6: Final answer
    x = 13,675,156,974.57

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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.