Home / 1,045,353,724.06-1,568,023,610.77-423,559,782.45

Finding the Fourth Proportional to 1,045,353,724.06, 1,568,023,610.77 and 423,559,782.45

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Solution

The fourth proportional to 1,045,353,724.06, 1,568,023,610.77 and 423,559,782.45 is: 635,336,847.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,045,353,724.06 : 1,568,023,610.77 = 423,559,782.45 : x
  2. Step 2: Convert to fraction form
    1,045,353,724.06/1,568,023,610.77 = 423,559,782.45/x
  3. Step 3: Cross multiply
    1,045,353,724.06x = 1,568,023,610.77 × 423,559,782.45
  4. Step 4: Simplify right side
    1,045,353,724.06x = 664,151,739,454,204,672
  5. Step 5: Solve for x
    x = 664,151,739,454,204,672/1,045,353,724.06
  6. Step 6: Final answer
    x = 635,336,847.39

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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.