Home / 726,295,655.57-1,002,597,269.70-488,278,881.03

Finding the Fourth Proportional to 726,295,655.57, 1,002,597,269.70 and 488,278,881.03

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Solution

The fourth proportional to 726,295,655.57, 1,002,597,269.70 and 488,278,881.03 is: 674,032,770.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,295,655.57 : 1,002,597,269.70 = 488,278,881.03 : x
  2. Step 2: Convert to fraction form
    726,295,655.57/1,002,597,269.70 = 488,278,881.03/x
  3. Step 3: Cross multiply
    726,295,655.57x = 1,002,597,269.70 × 488,278,881.03
  4. Step 4: Simplify right side
    726,295,655.57x = 489,547,072,969,939,904
  5. Step 5: Solve for x
    x = 489,547,072,969,939,904/726,295,655.57
  6. Step 6: Final answer
    x = 674,032,770.56

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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.