Home / 823,531,521.40-1,235,294,587.69-298,899,924.05

Finding the Fourth Proportional to 823,531,521.40, 1,235,294,587.69 and 298,899,924.05

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Solution

The fourth proportional to 823,531,521.40, 1,235,294,587.69 and 298,899,924.05 is: 448,348,908.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,531,521.40 : 1,235,294,587.69 = 298,899,924.05 : x
  2. Step 2: Convert to fraction form
    823,531,521.40/1,235,294,587.69 = 298,899,924.05/x
  3. Step 3: Cross multiply
    823,531,521.40x = 1,235,294,587.69 × 298,899,924.05
  4. Step 4: Simplify right side
    823,531,521.40x = 369,229,458,442,258,048
  5. Step 5: Solve for x
    x = 369,229,458,442,258,048/823,531,521.40
  6. Step 6: Final answer
    x = 448,348,908.15

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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.