Home / 1,039,278,463.72-1,434,192,138.39-562,959,851.02

Finding the Fourth Proportional to 1,039,278,463.72, 1,434,192,138.39 and 562,959,851.02

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Solution

The fourth proportional to 1,039,278,463.72, 1,434,192,138.39 and 562,959,851.02 is: 776,878,017.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,278,463.72 : 1,434,192,138.39 = 562,959,851.02 : x
  2. Step 2: Convert to fraction form
    1,039,278,463.72/1,434,192,138.39 = 562,959,851.02/x
  3. Step 3: Cross multiply
    1,039,278,463.72x = 1,434,192,138.39 × 562,959,851.02
  4. Step 4: Simplify right side
    1,039,278,463.72x = 807,392,592,562,089,600
  5. Step 5: Solve for x
    x = 807,392,592,562,089,600/1,039,278,463.72
  6. Step 6: Final answer
    x = 776,878,017.54

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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.