Home / 1,226,025,018.34-1,837,944,135.51-449,489,727.70

Finding the Fourth Proportional to 1,226,025,018.34, 1,837,944,135.51 and 449,489,727.70

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Solution

The fourth proportional to 1,226,025,018.34, 1,837,944,135.51 and 449,489,727.70 is: 673,833,728.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,025,018.34 : 1,837,944,135.51 = 449,489,727.70 : x
  2. Step 2: Convert to fraction form
    1,226,025,018.34/1,837,944,135.51 = 449,489,727.70/x
  3. Step 3: Cross multiply
    1,226,025,018.34x = 1,837,944,135.51 × 449,489,727.70
  4. Step 4: Simplify right side
    1,226,025,018.34x = 826,137,008,998,201,728
  5. Step 5: Solve for x
    x = 826,137,008,998,201,728/1,226,025,018.34
  6. Step 6: Final answer
    x = 673,833,728.22

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Double scale
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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.