Home / 886,759,421.33-1,329,729,707.82-326,380,491.13

Finding the Fourth Proportional to 886,759,421.33, 1,329,729,707.82 and 326,380,491.13

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Solution

The fourth proportional to 886,759,421.33, 1,329,729,707.82 and 326,380,491.13 is: 489,420,044.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,759,421.33 : 1,329,729,707.82 = 326,380,491.13 : x
  2. Step 2: Convert to fraction form
    886,759,421.33/1,329,729,707.82 = 326,380,491.13/x
  3. Step 3: Cross multiply
    886,759,421.33x = 1,329,729,707.82 × 326,380,491.13
  4. Step 4: Simplify right side
    886,759,421.33x = 433,997,835,107,931,648
  5. Step 5: Solve for x
    x = 433,997,835,107,931,648/886,759,421.33
  6. Step 6: Final answer
    x = 489,420,044.12

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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.