Home / 878,915,904.47-1,323,635,213.34-800,463,255.45

Finding the Fourth Proportional to 878,915,904.47, 1,323,635,213.34 and 800,463,255.45

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Solution

The fourth proportional to 878,915,904.47, 1,323,635,213.34 and 800,463,255.45 is: 1,205,486,607.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,915,904.47 : 1,323,635,213.34 = 800,463,255.45 : x
  2. Step 2: Convert to fraction form
    878,915,904.47/1,323,635,213.34 = 800,463,255.45/x
  3. Step 3: Cross multiply
    878,915,904.47x = 1,323,635,213.34 × 800,463,255.45
  4. Step 4: Simplify right side
    878,915,904.47x = 1,059,521,351,893,427,968
  5. Step 5: Solve for x
    x = 1,059,521,351,893,427,968/878,915,904.47
  6. Step 6: Final answer
    x = 1,205,486,607.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.