Home / 1,128,402,759.44-1,691,831,424.92-574,633,247.76

Finding the Fourth Proportional to 1,128,402,759.44, 1,691,831,424.92 and 574,633,247.76

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Solution

The fourth proportional to 1,128,402,759.44, 1,691,831,424.92 and 574,633,247.76 is: 861,556,370.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,402,759.44 : 1,691,831,424.92 = 574,633,247.76 : x
  2. Step 2: Convert to fraction form
    1,128,402,759.44/1,691,831,424.92 = 574,633,247.76/x
  3. Step 3: Cross multiply
    1,128,402,759.44x = 1,691,831,424.92 × 574,633,247.76
  4. Step 4: Simplify right side
    1,128,402,759.44x = 972,182,586,364,208,256
  5. Step 5: Solve for x
    x = 972,182,586,364,208,256/1,128,402,759.44
  6. Step 6: Final answer
    x = 861,556,370.92

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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.