Home / 748,593,591.89-1,032,989,829.05-414,058,914.54

Finding the Fourth Proportional to 748,593,591.89, 1,032,989,829.05 and 414,058,914.54

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Solution

The fourth proportional to 748,593,591.89, 1,032,989,829.05 and 414,058,914.54 is: 571,362,955.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,593,591.89 : 1,032,989,829.05 = 414,058,914.54 : x
  2. Step 2: Convert to fraction form
    748,593,591.89/1,032,989,829.05 = 414,058,914.54/x
  3. Step 3: Cross multiply
    748,593,591.89x = 1,032,989,829.05 × 414,058,914.54
  4. Step 4: Simplify right side
    748,593,591.89x = 427,718,647,348,338,304
  5. Step 5: Solve for x
    x = 427,718,647,348,338,304/748,593,591.89
  6. Step 6: Final answer
    x = 571,362,955.79

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1.5x scale

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.