Home / 3,897,236,139.60-5,845,854,209.40-989,190,987.60

Finding the Fourth Proportional to 3,897,236,139.60, 5,845,854,209.40 and 989,190,987.60

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Solution

The fourth proportional to 3,897,236,139.60, 5,845,854,209.40 and 989,190,987.60 is: 1,483,786,481.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,897,236,139.60 : 5,845,854,209.40 = 989,190,987.60 : x
  2. Step 2: Convert to fraction form
    3,897,236,139.60/5,845,854,209.40 = 989,190,987.60/x
  3. Step 3: Cross multiply
    3,897,236,139.60x = 5,845,854,209.40 × 989,190,987.60
  4. Step 4: Simplify right side
    3,897,236,139.60x = 5,782,666,298,762,003,456
  5. Step 5: Solve for x
    x = 5,782,666,298,762,003,456/3,897,236,139.60
  6. Step 6: Final answer
    x = 1,483,786,481.40

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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.