Home / 786,687,745.44-1,085,689,180.08-434,331,602.40

Finding the Fourth Proportional to 786,687,745.44, 1,085,689,180.08 and 434,331,602.40

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Solution

The fourth proportional to 786,687,745.44, 1,085,689,180.08 and 434,331,602.40 is: 599,410,787.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,687,745.44 : 1,085,689,180.08 = 434,331,602.40 : x
  2. Step 2: Convert to fraction form
    786,687,745.44/1,085,689,180.08 = 434,331,602.40/x
  3. Step 3: Cross multiply
    786,687,745.44x = 1,085,689,180.08 × 434,331,602.40
  4. Step 4: Simplify right side
    786,687,745.44x = 471,549,121,292,488,512
  5. Step 5: Solve for x
    x = 471,549,121,292,488,512/786,687,745.44
  6. Step 6: Final answer
    x = 599,410,787.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.