Home / 1,497,150,608.78-2,245,663,486.91-391,730,991.64

Finding the Fourth Proportional to 1,497,150,608.78, 2,245,663,486.91 and 391,730,991.64

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Solution

The fourth proportional to 1,497,150,608.78, 2,245,663,486.91 and 391,730,991.64 is: 587,580,153.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,497,150,608.78 : 2,245,663,486.91 = 391,730,991.64 : x
  2. Step 2: Convert to fraction form
    1,497,150,608.78/2,245,663,486.91 = 391,730,991.64/x
  3. Step 3: Cross multiply
    1,497,150,608.78x = 2,245,663,486.91 × 391,730,991.64
  4. Step 4: Simplify right side
    1,497,150,608.78x = 879,695,984,616,994,304
  5. Step 5: Solve for x
    x = 879,695,984,616,994,304/1,497,150,608.78
  6. Step 6: Final answer
    x = 587,580,153.57

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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.