Home / 885,778,800.40-1,328,661,202.20-230,728,560.40

Finding the Fourth Proportional to 885,778,800.40, 1,328,661,202.20 and 230,728,560.40

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Solution

The fourth proportional to 885,778,800.40, 1,328,661,202.20 and 230,728,560.40 is: 346,091,017.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,778,800.40 : 1,328,661,202.20 = 230,728,560.40 : x
  2. Step 2: Convert to fraction form
    885,778,800.40/1,328,661,202.20 = 230,728,560.40/x
  3. Step 3: Cross multiply
    885,778,800.40x = 1,328,661,202.20 × 230,728,560.40
  4. Step 4: Simplify right side
    885,778,800.40x = 306,560,086,442,939,328
  5. Step 5: Solve for x
    x = 306,560,086,442,939,328/885,778,800.40
  6. Step 6: Final answer
    x = 346,091,017.65

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1.5x scale

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.