Home / 999,769,842.28-1,499,753,324.22-344,634,619.24

Finding the Fourth Proportional to 999,769,842.28, 1,499,753,324.22 and 344,634,619.24

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Solution

The fourth proportional to 999,769,842.28, 1,499,753,324.22 and 344,634,619.24 is: 516,985,904.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,769,842.28 : 1,499,753,324.22 = 344,634,619.24 : x
  2. Step 2: Convert to fraction form
    999,769,842.28/1,499,753,324.22 = 344,634,619.24/x
  3. Step 3: Cross multiply
    999,769,842.28x = 1,499,753,324.22 × 344,634,619.24
  4. Step 4: Simplify right side
    999,769,842.28x = 516,866,915,846,483,968
  5. Step 5: Solve for x
    x = 516,866,915,846,483,968/999,769,842.28
  6. Step 6: Final answer
    x = 516,985,904.14

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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.