Home / 651,122,023.20-976,683,034.80-166,422,170.40

Finding the Fourth Proportional to 651,122,023.20, 976,683,034.80 and 166,422,170.40

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Solution

The fourth proportional to 651,122,023.20, 976,683,034.80 and 166,422,170.40 is: 249,633,255.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,122,023.20 : 976,683,034.80 = 166,422,170.40 : x
  2. Step 2: Convert to fraction form
    651,122,023.20/976,683,034.80 = 166,422,170.40/x
  3. Step 3: Cross multiply
    651,122,023.20x = 976,683,034.80 × 166,422,170.40
  4. Step 4: Simplify right side
    651,122,023.20x = 162,541,710,444,274,720
  5. Step 5: Solve for x
    x = 162,541,710,444,274,720/651,122,023.20
  6. Step 6: Final answer
    x = 249,633,255.60

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Similar ratio
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1.5x scale

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.