Home / 1,112,229,620.10-1,668,344,430.15-854,744,487.30

Finding the Fourth Proportional to 1,112,229,620.10, 1,668,344,430.15 and 854,744,487.30

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Solution

The fourth proportional to 1,112,229,620.10, 1,668,344,430.15 and 854,744,487.30 is: 1,282,116,730.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,229,620.10 : 1,668,344,430.15 = 854,744,487.30 : x
  2. Step 2: Convert to fraction form
    1,112,229,620.10/1,668,344,430.15 = 854,744,487.30/x
  3. Step 3: Cross multiply
    1,112,229,620.10x = 1,668,344,430.15 × 854,744,487.30
  4. Step 4: Simplify right side
    1,112,229,620.10x = 1,426,008,204,588,372,480
  5. Step 5: Solve for x
    x = 1,426,008,204,588,372,480/1,112,229,620.10
  6. Step 6: Final answer
    x = 1,282,116,730.95

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Double scale
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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.