Home / 1,214,542,548.90-1,821,813,823.35-755,377,524.90

Finding the Fourth Proportional to 1,214,542,548.90, 1,821,813,823.35 and 755,377,524.90

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Solution

The fourth proportional to 1,214,542,548.90, 1,821,813,823.35 and 755,377,524.90 is: 1,133,066,287.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,542,548.90 : 1,821,813,823.35 = 755,377,524.90 : x
  2. Step 2: Convert to fraction form
    1,214,542,548.90/1,821,813,823.35 = 755,377,524.90/x
  3. Step 3: Cross multiply
    1,214,542,548.90x = 1,821,813,823.35 × 755,377,524.90
  4. Step 4: Simplify right side
    1,214,542,548.90x = 1,376,157,216,710,728,704
  5. Step 5: Solve for x
    x = 1,376,157,216,710,728,704/1,214,542,548.90
  6. Step 6: Final answer
    x = 1,133,066,287.35

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Half scale
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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.