Home / 207,380,776,077.60-311,071,164,116.40-199,254,122,023.20

Finding the Fourth Proportional to 207,380,776,077.60, 311,071,164,116.40 and 199,254,122,023.20

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Solution

The fourth proportional to 207,380,776,077.60, 311,071,164,116.40 and 199,254,122,023.20 is: 298,881,183,034.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,380,776,077.60 : 311,071,164,116.40 = 199,254,122,023.20 : x
  2. Step 2: Convert to fraction form
    207,380,776,077.60/311,071,164,116.40 = 199,254,122,023.20/x
  3. Step 3: Cross multiply
    207,380,776,077.60x = 311,071,164,116.40 × 199,254,122,023.20
  4. Step 4: Simplify right side
    207,380,776,077.60x = 61,982,211,692,748,045,549,568
  5. Step 5: Solve for x
    x = 61,982,211,692,748,045,549,568/207,380,776,077.60
  6. Step 6: Final answer
    x = 298,881,183,034.80

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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.