Home / 338,442,771.87-466,879,128.39-221,036,826.15

Finding the Fourth Proportional to 338,442,771.87, 466,879,128.39 and 221,036,826.15

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Solution

The fourth proportional to 338,442,771.87, 466,879,128.39 and 221,036,826.15 is: 304,918,554.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,442,771.87 : 466,879,128.39 = 221,036,826.15 : x
  2. Step 2: Convert to fraction form
    338,442,771.87/466,879,128.39 = 221,036,826.15/x
  3. Step 3: Cross multiply
    338,442,771.87x = 466,879,128.39 × 221,036,826.15
  4. Step 4: Simplify right side
    338,442,771.87x = 103,197,480,735,003,952
  5. Step 5: Solve for x
    x = 103,197,480,735,003,952/338,442,771.87
  6. Step 6: Final answer
    x = 304,918,554.37

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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.