Home / 338,742,585.36-467,292,411.72-221,336,551.44

Finding the Fourth Proportional to 338,742,585.36, 467,292,411.72 and 221,336,551.44

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Solution

The fourth proportional to 338,742,585.36, 467,292,411.72 and 221,336,551.44 is: 305,331,822.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,742,585.36 : 467,292,411.72 = 221,336,551.44 : x
  2. Step 2: Convert to fraction form
    338,742,585.36/467,292,411.72 = 221,336,551.44/x
  3. Step 3: Cross multiply
    338,742,585.36x = 467,292,411.72 × 221,336,551.44
  4. Step 4: Simplify right side
    338,742,585.36x = 103,428,890,924,185,440
  5. Step 5: Solve for x
    x = 103,428,890,924,185,440/338,742,585.36
  6. Step 6: Final answer
    x = 305,331,822.43

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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.