Home / 1,108,973,429.70-1,663,460,144.55-291,168,399.30

Finding the Fourth Proportional to 1,108,973,429.70, 1,663,460,144.55 and 291,168,399.30

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Solution

The fourth proportional to 1,108,973,429.70, 1,663,460,144.55 and 291,168,399.30 is: 436,752,598.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,973,429.70 : 1,663,460,144.55 = 291,168,399.30 : x
  2. Step 2: Convert to fraction form
    1,108,973,429.70/1,663,460,144.55 = 291,168,399.30/x
  3. Step 3: Cross multiply
    1,108,973,429.70x = 1,663,460,144.55 × 291,168,399.30
  4. Step 4: Simplify right side
    1,108,973,429.70x = 484,347,027,587,970,112
  5. Step 5: Solve for x
    x = 484,347,027,587,970,112/1,108,973,429.70
  6. Step 6: Final answer
    x = 436,752,598.95

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Double scale
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Similar ratio
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1.5x scale

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.