Home / 442,758,944.10-664,421,851.35-258,526,064.10

Finding the Fourth Proportional to 442,758,944.10, 664,421,851.35 and 258,526,064.10

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Solution

The fourth proportional to 442,758,944.10, 664,421,851.35 and 258,526,064.10 is: 387,954,593.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,758,944.10 : 664,421,851.35 = 258,526,064.10 : x
  2. Step 2: Convert to fraction form
    442,758,944.10/664,421,851.35 = 258,526,064.10/x
  3. Step 3: Cross multiply
    442,758,944.10x = 664,421,851.35 × 258,526,064.10
  4. Step 4: Simplify right side
    442,758,944.10x = 171,770,366,131,550,784
  5. Step 5: Solve for x
    x = 171,770,366,131,550,784/442,758,944.10
  6. Step 6: Final answer
    x = 387,954,593.40

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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.