Home / 413,852,423.45-620,988,554.32-229,585,885.52

Finding the Fourth Proportional to 413,852,423.45, 620,988,554.32 and 229,585,885.52

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Solution

The fourth proportional to 413,852,423.45, 620,988,554.32 and 229,585,885.52 is: 344,495,281.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,852,423.45 : 620,988,554.32 = 229,585,885.52 : x
  2. Step 2: Convert to fraction form
    413,852,423.45/620,988,554.32 = 229,585,885.52/x
  3. Step 3: Cross multiply
    413,852,423.45x = 620,988,554.32 × 229,585,885.52
  4. Step 4: Simplify right side
    413,852,423.45x = 142,570,207,137,662,896
  5. Step 5: Solve for x
    x = 142,570,207,137,662,896/413,852,423.45
  6. Step 6: Final answer
    x = 344,495,281.56

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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.