Home / 1,169,226,435.30-1,613,740,380.42-699,379,447.20

Finding the Fourth Proportional to 1,169,226,435.30, 1,613,740,380.42 and 699,379,447.20

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Solution

The fourth proportional to 1,169,226,435.30, 1,613,740,380.42 and 699,379,447.20 is: 965,267,993.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,169,226,435.30 : 1,613,740,380.42 = 699,379,447.20 : x
  2. Step 2: Convert to fraction form
    1,169,226,435.30/1,613,740,380.42 = 699,379,447.20/x
  3. Step 3: Cross multiply
    1,169,226,435.30x = 1,613,740,380.42 × 699,379,447.20
  4. Step 4: Simplify right side
    1,169,226,435.30x = 1,128,616,855,182,457,472
  5. Step 5: Solve for x
    x = 1,128,616,855,182,457,472/1,169,226,435.30
  6. Step 6: Final answer
    x = 965,267,993.53

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Double scale
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1.5x scale

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.