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Finding the Fourth Proportional to 868,862,353.73, 1,303,293,530.59 and 868,862,353.73

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Solution

The fourth proportional to 868,862,353.73, 1,303,293,530.59 and 868,862,353.73 is: 1,303,293,530.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,862,353.73 : 1,303,293,530.59 = 868,862,353.73 : x
  2. Step 2: Convert to fraction form
    868,862,353.73/1,303,293,530.59 = 868,862,353.73/x
  3. Step 3: Cross multiply
    868,862,353.73x = 1,303,293,530.59 × 868,862,353.73
  4. Step 4: Simplify right side
    868,862,353.73x = 1,132,382,684,580,820,608
  5. Step 5: Solve for x
    x = 1,132,382,684,580,820,608/868,862,353.73
  6. Step 6: Final answer
    x = 1,303,293,530.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.