Home / 868,673,781.60-1,303,010,672.40-524,016,578.40

Finding the Fourth Proportional to 868,673,781.60, 1,303,010,672.40 and 524,016,578.40

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Solution

The fourth proportional to 868,673,781.60, 1,303,010,672.40 and 524,016,578.40 is: 786,024,867.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,673,781.60 : 1,303,010,672.40 = 524,016,578.40 : x
  2. Step 2: Convert to fraction form
    868,673,781.60/1,303,010,672.40 = 524,016,578.40/x
  3. Step 3: Cross multiply
    868,673,781.60x = 1,303,010,672.40 × 524,016,578.40
  4. Step 4: Simplify right side
    868,673,781.60x = 682,799,194,169,731,328
  5. Step 5: Solve for x
    x = 682,799,194,169,731,328/868,673,781.60
  6. Step 6: Final answer
    x = 786,024,867.60

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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.