Home / 431,569,579.65-647,354,369.48-158,883,922.05

Finding the Fourth Proportional to 431,569,579.65, 647,354,369.48 and 158,883,922.05

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Solution

The fourth proportional to 431,569,579.65, 647,354,369.48 and 158,883,922.05 is: 238,325,883.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,569,579.65 : 647,354,369.48 = 158,883,922.05 : x
  2. Step 2: Convert to fraction form
    431,569,579.65/647,354,369.48 = 158,883,922.05/x
  3. Step 3: Cross multiply
    431,569,579.65x = 647,354,369.48 × 158,883,922.05
  4. Step 4: Simplify right side
    431,569,579.65x = 102,854,201,178,392,816
  5. Step 5: Solve for x
    x = 102,854,201,178,392,816/431,569,579.65
  6. Step 6: Final answer
    x = 238,325,883.08

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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.