Home / 1,188,127,710.90-1,782,191,566.35-1,086,007,058.10

Finding the Fourth Proportional to 1,188,127,710.90, 1,782,191,566.35 and 1,086,007,058.10

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Solution

The fourth proportional to 1,188,127,710.90, 1,782,191,566.35 and 1,086,007,058.10 is: 1,629,010,587.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,127,710.90 : 1,782,191,566.35 = 1,086,007,058.10 : x
  2. Step 2: Convert to fraction form
    1,188,127,710.90/1,782,191,566.35 = 1,086,007,058.10/x
  3. Step 3: Cross multiply
    1,188,127,710.90x = 1,782,191,566.35 × 1,086,007,058.10
  4. Step 4: Simplify right side
    1,188,127,710.90x = 1,935,472,619,942,394,112
  5. Step 5: Solve for x
    x = 1,935,472,619,942,394,112/1,188,127,710.90
  6. Step 6: Final answer
    x = 1,629,010,587.15

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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.