Home / 1,489,105,809.10-2,233,658,713.65-398,588,877.10

Finding the Fourth Proportional to 1,489,105,809.10, 2,233,658,713.65 and 398,588,877.10

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Solution

The fourth proportional to 1,489,105,809.10, 2,233,658,713.65 and 398,588,877.10 is: 597,883,315.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,105,809.10 : 2,233,658,713.65 = 398,588,877.10 : x
  2. Step 2: Convert to fraction form
    1,489,105,809.10/2,233,658,713.65 = 398,588,877.10/x
  3. Step 3: Cross multiply
    1,489,105,809.10x = 2,233,658,713.65 × 398,588,877.10
  4. Step 4: Simplify right side
    1,489,105,809.10x = 890,311,518,498,384,000
  5. Step 5: Solve for x
    x = 890,311,518,498,384,000/1,489,105,809.10
  6. Step 6: Final answer
    x = 597,883,315.65

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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.