Home / 445,841,277.76-668,496,985.55-169,512,719.28

Finding the Fourth Proportional to 445,841,277.76, 668,496,985.55 and 169,512,719.28

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Solution

The fourth proportional to 445,841,277.76, 668,496,985.55 and 169,512,719.28 is: 254,168,349.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,841,277.76 : 668,496,985.55 = 169,512,719.28 : x
  2. Step 2: Convert to fraction form
    445,841,277.76/668,496,985.55 = 169,512,719.28/x
  3. Step 3: Cross multiply
    445,841,277.76x = 668,496,985.55 × 169,512,719.28
  4. Step 4: Simplify right side
    445,841,277.76x = 113,318,741,851,063,360
  5. Step 5: Solve for x
    x = 113,318,741,851,063,360/445,841,277.76
  6. Step 6: Final answer
    x = 254,168,349.82

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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.