Home / 772,610,020.20-1,158,915,030.30-255,120,330.60

Finding the Fourth Proportional to 772,610,020.20, 1,158,915,030.30 and 255,120,330.60

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Solution

The fourth proportional to 772,610,020.20, 1,158,915,030.30 and 255,120,330.60 is: 382,680,495.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,610,020.20 : 1,158,915,030.30 = 255,120,330.60 : x
  2. Step 2: Convert to fraction form
    772,610,020.20/1,158,915,030.30 = 255,120,330.60/x
  3. Step 3: Cross multiply
    772,610,020.20x = 1,158,915,030.30 × 255,120,330.60
  4. Step 4: Simplify right side
    772,610,020.20x = 295,662,785,667,444,992
  5. Step 5: Solve for x
    x = 295,662,785,667,444,992/772,610,020.20
  6. Step 6: Final answer
    x = 382,680,495.90

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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.