Home / 456,358,164.95-629,788,523.54-258,115,780.55

Finding the Fourth Proportional to 456,358,164.95, 629,788,523.54 and 258,115,780.55

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Solution

The fourth proportional to 456,358,164.95, 629,788,523.54 and 258,115,780.55 is: 356,207,840.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,358,164.95 : 629,788,523.54 = 258,115,780.55 : x
  2. Step 2: Convert to fraction form
    456,358,164.95/629,788,523.54 = 258,115,780.55/x
  3. Step 3: Cross multiply
    456,358,164.95x = 629,788,523.54 × 258,115,780.55
  4. Step 4: Simplify right side
    456,358,164.95x = 162,558,356,335,243,040
  5. Step 5: Solve for x
    x = 162,558,356,335,243,040/456,358,164.95
  6. Step 6: Final answer
    x = 356,207,840.29

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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.