Home / 868,673,874.10-1,303,010,811.15-524,016,670.90

Finding the Fourth Proportional to 868,673,874.10, 1,303,010,811.15 and 524,016,670.90

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Solution

The fourth proportional to 868,673,874.10, 1,303,010,811.15 and 524,016,670.90 is: 786,025,006.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,673,874.10 : 1,303,010,811.15 = 524,016,670.90 : x
  2. Step 2: Convert to fraction form
    868,673,874.10/1,303,010,811.15 = 524,016,670.90/x
  3. Step 3: Cross multiply
    868,673,874.10x = 1,303,010,811.15 × 524,016,670.90
  4. Step 4: Simplify right side
    868,673,874.10x = 682,799,387,405,531,648
  5. Step 5: Solve for x
    x = 682,799,387,405,531,648/868,673,874.10
  6. Step 6: Final answer
    x = 786,025,006.35

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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.