Home / 2,099,537,851.20-3,149,306,776.80-1,320,657,921.60

Finding the Fourth Proportional to 2,099,537,851.20, 3,149,306,776.80 and 1,320,657,921.60

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Solution

The fourth proportional to 2,099,537,851.20, 3,149,306,776.80 and 1,320,657,921.60 is: 1,980,986,882.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,099,537,851.20 : 3,149,306,776.80 = 1,320,657,921.60 : x
  2. Step 2: Convert to fraction form
    2,099,537,851.20/3,149,306,776.80 = 1,320,657,921.60/x
  3. Step 3: Cross multiply
    2,099,537,851.20x = 3,149,306,776.80 × 1,320,657,921.60
  4. Step 4: Simplify right side
    2,099,537,851.20x = 4,159,156,942,329,483,264
  5. Step 5: Solve for x
    x = 4,159,156,942,329,483,264/2,099,537,851.20
  6. Step 6: Final answer
    x = 1,980,986,882.40

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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.