Home / 416,822,314.67-625,171,971.15-121,638,177.35

Finding the Fourth Proportional to 416,822,314.67, 625,171,971.15 and 121,638,177.35

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Solution

The fourth proportional to 416,822,314.67, 625,171,971.15 and 121,638,177.35 is: 182,439,318.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,822,314.67 : 625,171,971.15 = 121,638,177.35 : x
  2. Step 2: Convert to fraction form
    416,822,314.67/625,171,971.15 = 121,638,177.35/x
  3. Step 3: Cross multiply
    416,822,314.67x = 625,171,971.15 × 121,638,177.35
  4. Step 4: Simplify right side
    416,822,314.67x = 76,044,779,100,551,904
  5. Step 5: Solve for x
    x = 76,044,779,100,551,904/416,822,314.67
  6. Step 6: Final answer
    x = 182,439,318.68

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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.