Home / 726,295,694-1,002,597,322.84-488,278,919.60

Finding the Fourth Proportional to 726,295,694, 1,002,597,322.84 and 488,278,919.60

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Solution

The fourth proportional to 726,295,694, 1,002,597,322.84 and 488,278,919.60 is: 674,032,823.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,295,694 : 1,002,597,322.84 = 488,278,919.60 : x
  2. Step 2: Convert to fraction form
    726,295,694/1,002,597,322.84 = 488,278,919.60/x
  3. Step 3: Cross multiply
    726,295,694x = 1,002,597,322.84 × 488,278,919.60
  4. Step 4: Simplify right side
    726,295,694x = 489,547,137,590,167,616
  5. Step 5: Solve for x
    x = 489,547,137,590,167,616/726,295,694
  6. Step 6: Final answer
    x = 674,032,823.87

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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.