Home / 897,228,676.90-1,347,228,698.55-489,081,988.90

Finding the Fourth Proportional to 897,228,676.90, 1,347,228,698.55 and 489,081,988.90

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Solution

The fourth proportional to 897,228,676.90, 1,347,228,698.55 and 489,081,988.90 is: 734,378,323.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,228,676.90 : 1,347,228,698.55 = 489,081,988.90 : x
  2. Step 2: Convert to fraction form
    897,228,676.90/1,347,228,698.55 = 489,081,988.90/x
  3. Step 3: Cross multiply
    897,228,676.90x = 1,347,228,698.55 × 489,081,988.90
  4. Step 4: Simplify right side
    897,228,676.90x = 658,905,291,389,992,448
  5. Step 5: Solve for x
    x = 658,905,291,389,992,448/897,228,676.90
  6. Step 6: Final answer
    x = 734,378,323.34

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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.