Home / 456,358,159.20-629,788,515.60-258,115,774.78

Finding the Fourth Proportional to 456,358,159.20, 629,788,515.60 and 258,115,774.78

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Solution

The fourth proportional to 456,358,159.20, 629,788,515.60 and 258,115,774.78 is: 356,207,832.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,358,159.20 : 629,788,515.60 = 258,115,774.78 : x
  2. Step 2: Convert to fraction form
    456,358,159.20/629,788,515.60 = 258,115,774.78/x
  3. Step 3: Cross multiply
    456,358,159.20x = 629,788,515.60 × 258,115,774.78
  4. Step 4: Simplify right side
    456,358,159.20x = 162,558,350,651,640,128
  5. Step 5: Solve for x
    x = 162,558,350,651,640,128/456,358,159.20
  6. Step 6: Final answer
    x = 356,207,832.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.