Home / 726,295,656.57-1,002,597,271.08-488,278,882.03

Finding the Fourth Proportional to 726,295,656.57, 1,002,597,271.08 and 488,278,882.03

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Solution

The fourth proportional to 726,295,656.57, 1,002,597,271.08 and 488,278,882.03 is: 674,032,771.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,295,656.57 : 1,002,597,271.08 = 488,278,882.03 : x
  2. Step 2: Convert to fraction form
    726,295,656.57/1,002,597,271.08 = 488,278,882.03/x
  3. Step 3: Cross multiply
    726,295,656.57x = 1,002,597,271.08 × 488,278,882.03
  4. Step 4: Simplify right side
    726,295,656.57x = 489,547,074,649,271,232
  5. Step 5: Solve for x
    x = 489,547,074,649,271,232/726,295,656.57
  6. Step 6: Final answer
    x = 674,032,771.94

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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.