Home / 726,295,656.08-1,002,597,270.39-488,278,881.53

Finding the Fourth Proportional to 726,295,656.08, 1,002,597,270.39 and 488,278,881.53

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Solution

The fourth proportional to 726,295,656.08, 1,002,597,270.39 and 488,278,881.53 is: 674,032,771.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,295,656.08 : 1,002,597,270.39 = 488,278,881.53 : x
  2. Step 2: Convert to fraction form
    726,295,656.08/1,002,597,270.39 = 488,278,881.53/x
  3. Step 3: Cross multiply
    726,295,656.08x = 1,002,597,270.39 × 488,278,881.53
  4. Step 4: Simplify right side
    726,295,656.08x = 489,547,073,806,047,168
  5. Step 5: Solve for x
    x = 489,547,073,806,047,168/726,295,656.08
  6. Step 6: Final answer
    x = 674,032,771.24

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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.