Home / 730,590,481.11-1,096,068,445.55-213,020,921.59

Finding the Fourth Proportional to 730,590,481.11, 1,096,068,445.55 and 213,020,921.59

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Solution

The fourth proportional to 730,590,481.11, 1,096,068,445.55 and 213,020,921.59 is: 319,584,659.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,590,481.11 : 1,096,068,445.55 = 213,020,921.59 : x
  2. Step 2: Convert to fraction form
    730,590,481.11/1,096,068,445.55 = 213,020,921.59/x
  3. Step 3: Cross multiply
    730,590,481.11x = 1,096,068,445.55 × 213,020,921.59
  4. Step 4: Simplify right side
    730,590,481.11x = 233,485,510,394,572,128
  5. Step 5: Solve for x
    x = 233,485,510,394,572,128/730,590,481.11
  6. Step 6: Final answer
    x = 319,584,659.85

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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.