Home / 253,720,632.40-380,580,948.60-177,193,128.40

Finding the Fourth Proportional to 253,720,632.40, 380,580,948.60 and 177,193,128.40

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Solution

The fourth proportional to 253,720,632.40, 380,580,948.60 and 177,193,128.40 is: 265,789,692.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,720,632.40 : 380,580,948.60 = 177,193,128.40 : x
  2. Step 2: Convert to fraction form
    253,720,632.40/380,580,948.60 = 177,193,128.40/x
  3. Step 3: Cross multiply
    253,720,632.40x = 380,580,948.60 × 177,193,128.40
  4. Step 4: Simplify right side
    253,720,632.40x = 67,436,328,891,873,608
  5. Step 5: Solve for x
    x = 67,436,328,891,873,608/253,720,632.40
  6. Step 6: Final answer
    x = 265,789,692.60

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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.