Home / 816,778,946.60-1,127,250,238.71-464,407,735.13

Finding the Fourth Proportional to 816,778,946.60, 1,127,250,238.71 and 464,407,735.13

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Solution

The fourth proportional to 816,778,946.60, 1,127,250,238.71 and 464,407,735.13 is: 640,936,856.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,778,946.60 : 1,127,250,238.71 = 464,407,735.13 : x
  2. Step 2: Convert to fraction form
    816,778,946.60/1,127,250,238.71 = 464,407,735.13/x
  3. Step 3: Cross multiply
    816,778,946.60x = 1,127,250,238.71 × 464,407,735.13
  4. Step 4: Simplify right side
    816,778,946.60x = 523,503,730,284,062,976
  5. Step 5: Solve for x
    x = 523,503,730,284,062,976/816,778,946.60
  6. Step 6: Final answer
    x = 640,936,856.25

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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.