Home / 356,507,999.40-534,761,999.10-247,668,882.60

Finding the Fourth Proportional to 356,507,999.40, 534,761,999.10 and 247,668,882.60

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Solution

The fourth proportional to 356,507,999.40, 534,761,999.10 and 247,668,882.60 is: 371,503,323.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,507,999.40 : 534,761,999.10 = 247,668,882.60 : x
  2. Step 2: Convert to fraction form
    356,507,999.40/534,761,999.10 = 247,668,882.60/x
  3. Step 3: Cross multiply
    356,507,999.40x = 534,761,999.10 × 247,668,882.60
  4. Step 4: Simplify right side
    356,507,999.40x = 132,443,906,774,039,216
  5. Step 5: Solve for x
    x = 132,443,906,774,039,216/356,507,999.40
  6. Step 6: Final answer
    x = 371,503,323.90

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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.