Home / 28,549,612,866.72-39,399,529,033.68-17,120,042,562.56

Finding the Fourth Proportional to 28,549,612,866.72, 39,399,529,033.68 and 17,120,042,562.56

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Solution

The fourth proportional to 28,549,612,866.72, 39,399,529,033.68 and 17,120,042,562.56 is: 23,626,296,340.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,549,612,866.72 : 39,399,529,033.68 = 17,120,042,562.56 : x
  2. Step 2: Convert to fraction form
    28,549,612,866.72/39,399,529,033.68 = 17,120,042,562.56/x
  3. Step 3: Cross multiply
    28,549,612,866.72x = 39,399,529,033.68 × 17,120,042,562.56
  4. Step 4: Simplify right side
    28,549,612,866.72x = 674,521,614,001,420,107,776
  5. Step 5: Solve for x
    x = 674,521,614,001,420,107,776/28,549,612,866.72
  6. Step 6: Final answer
    x = 23,626,296,340.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.