Home / 816,778,946.10-1,127,250,238.02-464,407,734.63

Finding the Fourth Proportional to 816,778,946.10, 1,127,250,238.02 and 464,407,734.63

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Solution

The fourth proportional to 816,778,946.10, 1,127,250,238.02 and 464,407,734.63 is: 640,936,855.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,778,946.10 : 1,127,250,238.02 = 464,407,734.63 : x
  2. Step 2: Convert to fraction form
    816,778,946.10/1,127,250,238.02 = 464,407,734.63/x
  3. Step 3: Cross multiply
    816,778,946.10x = 1,127,250,238.02 × 464,407,734.63
  4. Step 4: Simplify right side
    816,778,946.10x = 523,503,729,399,996,480
  5. Step 5: Solve for x
    x = 523,503,729,399,996,480/816,778,946.10
  6. Step 6: Final answer
    x = 640,936,855.56

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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.