Home / 2,657,126,650.80-3,985,689,976.20-1,021,404,615.60

Finding the Fourth Proportional to 2,657,126,650.80, 3,985,689,976.20 and 1,021,404,615.60

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Solution

The fourth proportional to 2,657,126,650.80, 3,985,689,976.20 and 1,021,404,615.60 is: 1,532,106,923.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,657,126,650.80 : 3,985,689,976.20 = 1,021,404,615.60 : x
  2. Step 2: Convert to fraction form
    2,657,126,650.80/3,985,689,976.20 = 1,021,404,615.60/x
  3. Step 3: Cross multiply
    2,657,126,650.80x = 3,985,689,976.20 × 1,021,404,615.60
  4. Step 4: Simplify right side
    2,657,126,650.80x = 4,071,002,138,041,334,272
  5. Step 5: Solve for x
    x = 4,071,002,138,041,334,272/2,657,126,650.80
  6. Step 6: Final answer
    x = 1,532,106,923.40

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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.