Home / 799,786,836.84-1,103,438,525.40-465,188,331.90

Finding the Fourth Proportional to 799,786,836.84, 1,103,438,525.40 and 465,188,331.90

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Solution

The fourth proportional to 799,786,836.84, 1,103,438,525.40 and 465,188,331.90 is: 641,804,420.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    799,786,836.84 : 1,103,438,525.40 = 465,188,331.90 : x
  2. Step 2: Convert to fraction form
    799,786,836.84/1,103,438,525.40 = 465,188,331.90/x
  3. Step 3: Cross multiply
    799,786,836.84x = 1,103,438,525.40 × 465,188,331.90
  4. Step 4: Simplify right side
    799,786,836.84x = 513,306,726,985,021,824
  5. Step 5: Solve for x
    x = 513,306,726,985,021,824/799,786,836.84
  6. Step 6: Final answer
    x = 641,804,420.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.