Home / 1,359,921,629.70-2,040,386,329.35-542,620,484.10

Finding the Fourth Proportional to 1,359,921,629.70, 2,040,386,329.35 and 542,620,484.10

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Solution

The fourth proportional to 1,359,921,629.70, 2,040,386,329.35 and 542,620,484.10 is: 814,131,780.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,921,629.70 : 2,040,386,329.35 = 542,620,484.10 : x
  2. Step 2: Convert to fraction form
    1,359,921,629.70/2,040,386,329.35 = 542,620,484.10/x
  3. Step 3: Cross multiply
    1,359,921,629.70x = 2,040,386,329.35 × 542,620,484.10
  4. Step 4: Simplify right side
    1,359,921,629.70x = 1,107,155,417,782,919,040
  5. Step 5: Solve for x
    x = 1,107,155,417,782,919,040/1,359,921,629.70
  6. Step 6: Final answer
    x = 814,131,780.54

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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.