Home / 318,513,695,905.92-439,653,649,820.04-253,527,329,043.12

Finding the Fourth Proportional to 318,513,695,905.92, 439,653,649,820.04 and 253,527,329,043.12

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Solution

The fourth proportional to 318,513,695,905.92, 439,653,649,820.04 and 253,527,329,043.12 is: 349,951,091,509.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,513,695,905.92 : 439,653,649,820.04 = 253,527,329,043.12 : x
  2. Step 2: Convert to fraction form
    318,513,695,905.92/439,653,649,820.04 = 253,527,329,043.12/x
  3. Step 3: Cross multiply
    318,513,695,905.92x = 439,653,649,820.04 × 253,527,329,043.12
  4. Step 4: Simplify right side
    318,513,695,905.92x = 111,464,215,542,933,923,823,616
  5. Step 5: Solve for x
    x = 111,464,215,542,933,923,823,616/318,513,695,905.92
  6. Step 6: Final answer
    x = 349,951,091,509.29

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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.