Home / 489,672,269.04-675,741,054.96-277,977,258.36

Finding the Fourth Proportional to 489,672,269.04, 675,741,054.96 and 277,977,258.36

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Solution

The fourth proportional to 489,672,269.04, 675,741,054.96 and 277,977,258.36 is: 383,604,826.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,672,269.04 : 675,741,054.96 = 277,977,258.36 : x
  2. Step 2: Convert to fraction form
    489,672,269.04/675,741,054.96 = 277,977,258.36/x
  3. Step 3: Cross multiply
    489,672,269.04x = 675,741,054.96 × 277,977,258.36
  4. Step 4: Simplify right side
    489,672,269.04x = 187,840,645,819,074,912
  5. Step 5: Solve for x
    x = 187,840,645,819,074,912/489,672,269.04
  6. Step 6: Final answer
    x = 383,604,826.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.