Home / 682,365,389.40-1,023,548,084.10-372,428,998.20

Finding the Fourth Proportional to 682,365,389.40, 1,023,548,084.10 and 372,428,998.20

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Solution

The fourth proportional to 682,365,389.40, 1,023,548,084.10 and 372,428,998.20 is: 558,643,497.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,365,389.40 : 1,023,548,084.10 = 372,428,998.20 : x
  2. Step 2: Convert to fraction form
    682,365,389.40/1,023,548,084.10 = 372,428,998.20/x
  3. Step 3: Cross multiply
    682,365,389.40x = 1,023,548,084.10 × 372,428,998.20
  4. Step 4: Simplify right side
    682,365,389.40x = 381,198,987,570,892,352
  5. Step 5: Solve for x
    x = 381,198,987,570,892,352/682,365,389.40
  6. Step 6: Final answer
    x = 558,643,497.30

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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.