Home / 1,359,921,510.20-2,040,386,150.10-542,620,364.60

Finding the Fourth Proportional to 1,359,921,510.20, 2,040,386,150.10 and 542,620,364.60

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Solution

The fourth proportional to 1,359,921,510.20, 2,040,386,150.10 and 542,620,364.60 is: 814,131,601.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,921,510.20 : 2,040,386,150.10 = 542,620,364.60 : x
  2. Step 2: Convert to fraction form
    1,359,921,510.20/2,040,386,150.10 = 542,620,364.60/x
  3. Step 3: Cross multiply
    1,359,921,510.20x = 2,040,386,150.10 × 542,620,364.60
  4. Step 4: Simplify right side
    1,359,921,510.20x = 1,107,155,076,692,052,352
  5. Step 5: Solve for x
    x = 1,107,155,076,692,052,352/1,359,921,510.20
  6. Step 6: Final answer
    x = 814,131,601.26

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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.