Home / 433,575,458.30-650,147,986.65-157,215,640.70

Finding the Fourth Proportional to 433,575,458.30, 650,147,986.65 and 157,215,640.70

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Solution

The fourth proportional to 433,575,458.30, 650,147,986.65 and 157,215,640.70 is: 235,745,428.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,575,458.30 : 650,147,986.65 = 157,215,640.70 : x
  2. Step 2: Convert to fraction form
    433,575,458.30/650,147,986.65 = 157,215,640.70/x
  3. Step 3: Cross multiply
    433,575,458.30x = 650,147,986.65 × 157,215,640.70
  4. Step 4: Simplify right side
    433,575,458.30x = 102,213,432,270,994,784
  5. Step 5: Solve for x
    x = 102,213,432,270,994,784/433,575,458.30
  6. Step 6: Final answer
    x = 235,745,428.65

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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.