Home / 433,575,461.80-650,147,991.90-157,215,644.20

Finding the Fourth Proportional to 433,575,461.80, 650,147,991.90 and 157,215,644.20

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Solution

The fourth proportional to 433,575,461.80, 650,147,991.90 and 157,215,644.20 is: 235,745,433.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,575,461.80 : 650,147,991.90 = 157,215,644.20 : x
  2. Step 2: Convert to fraction form
    433,575,461.80/650,147,991.90 = 157,215,644.20/x
  3. Step 3: Cross multiply
    433,575,461.80x = 650,147,991.90 × 157,215,644.20
  4. Step 4: Simplify right side
    433,575,461.80x = 102,213,435,371,894,864
  5. Step 5: Solve for x
    x = 102,213,435,371,894,864/433,575,461.80
  6. Step 6: Final answer
    x = 235,745,433.90

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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.