Home / 393,663,619.80-590,495,429.70-229,733,098.20

Finding the Fourth Proportional to 393,663,619.80, 590,495,429.70 and 229,733,098.20

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Solution

The fourth proportional to 393,663,619.80, 590,495,429.70 and 229,733,098.20 is: 344,599,647.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,663,619.80 : 590,495,429.70 = 229,733,098.20 : x
  2. Step 2: Convert to fraction form
    393,663,619.80/590,495,429.70 = 229,733,098.20/x
  3. Step 3: Cross multiply
    393,663,619.80x = 590,495,429.70 × 229,733,098.20
  4. Step 4: Simplify right side
    393,663,619.80x = 135,656,344,537,921,296
  5. Step 5: Solve for x
    x = 135,656,344,537,921,296/393,663,619.80
  6. Step 6: Final answer
    x = 344,599,647.30

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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.