Home / 1,214,542,521.40-1,821,813,782.10-755,377,497.40

Finding the Fourth Proportional to 1,214,542,521.40, 1,821,813,782.10 and 755,377,497.40

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Solution

The fourth proportional to 1,214,542,521.40, 1,821,813,782.10 and 755,377,497.40 is: 1,133,066,246.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,542,521.40 : 1,821,813,782.10 = 755,377,497.40 : x
  2. Step 2: Convert to fraction form
    1,214,542,521.40/1,821,813,782.10 = 755,377,497.40/x
  3. Step 3: Cross multiply
    1,214,542,521.40x = 1,821,813,782.10 × 755,377,497.40
  4. Step 4: Simplify right side
    1,214,542,521.40x = 1,376,157,135,451,526,912
  5. Step 5: Solve for x
    x = 1,376,157,135,451,526,912/1,214,542,521.40
  6. Step 6: Final answer
    x = 1,133,066,246.10

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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.