Home / 413,852,428.64-620,988,562.11-229,585,890.71

Finding the Fourth Proportional to 413,852,428.64, 620,988,562.11 and 229,585,890.71

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Solution

The fourth proportional to 413,852,428.64, 620,988,562.11 and 229,585,890.71 is: 344,495,289.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,852,428.64 : 620,988,562.11 = 229,585,890.71 : x
  2. Step 2: Convert to fraction form
    413,852,428.64/620,988,562.11 = 229,585,890.71/x
  3. Step 3: Cross multiply
    413,852,428.64x = 620,988,562.11 × 229,585,890.71
  4. Step 4: Simplify right side
    413,852,428.64x = 142,570,212,148,493,648
  5. Step 5: Solve for x
    x = 142,570,212,148,493,648/413,852,428.64
  6. Step 6: Final answer
    x = 344,495,289.34

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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.