Home / 984,261,158.54-1,357,640,393.88-631,278,046.34

Finding the Fourth Proportional to 984,261,158.54, 1,357,640,393.88 and 631,278,046.34

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Solution

The fourth proportional to 984,261,158.54, 1,357,640,393.88 and 631,278,046.34 is: 870,753,222.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,261,158.54 : 1,357,640,393.88 = 631,278,046.34 : x
  2. Step 2: Convert to fraction form
    984,261,158.54/1,357,640,393.88 = 631,278,046.34/x
  3. Step 3: Cross multiply
    984,261,158.54x = 1,357,640,393.88 × 631,278,046.34
  4. Step 4: Simplify right side
    984,261,158.54x = 857,048,575,474,046,464
  5. Step 5: Solve for x
    x = 857,048,575,474,046,464/984,261,158.54
  6. Step 6: Final answer
    x = 870,753,222.40

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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.