Home / 1,260,180,438.48-1,739,003,418.12-695,653,195.04

Finding the Fourth Proportional to 1,260,180,438.48, 1,739,003,418.12 and 695,653,195.04

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Solution

The fourth proportional to 1,260,180,438.48, 1,739,003,418.12 and 695,653,195.04 is: 959,976,243.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,180,438.48 : 1,739,003,418.12 = 695,653,195.04 : x
  2. Step 2: Convert to fraction form
    1,260,180,438.48/1,739,003,418.12 = 695,653,195.04/x
  3. Step 3: Cross multiply
    1,260,180,438.48x = 1,739,003,418.12 × 695,653,195.04
  4. Step 4: Simplify right side
    1,260,180,438.48x = 1,209,743,284,000,658,944
  5. Step 5: Solve for x
    x = 1,209,743,284,000,658,944/1,260,180,438.48
  6. Step 6: Final answer
    x = 959,976,243.93

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Double scale
Find fourth proportional to 1,260,180,439.48, 1,739,003,419.50 and 695,653,196.04
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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.