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Finding the Fourth Proportional to 965,399,340.30, 1,448,854,837.65 and 447,893,904.30

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Solution

The fourth proportional to 965,399,340.30, 1,448,854,837.65 and 447,893,904.30 is: 672,191,520.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,399,340.30 : 1,448,854,837.65 = 447,893,904.30 : x
  2. Step 2: Convert to fraction form
    965,399,340.30/1,448,854,837.65 = 447,893,904.30/x
  3. Step 3: Cross multiply
    965,399,340.30x = 1,448,854,837.65 × 447,893,904.30
  4. Step 4: Simplify right side
    965,399,340.30x = 648,933,249,999,001,216
  5. Step 5: Solve for x
    x = 648,933,249,999,001,216/965,399,340.30
  6. Step 6: Final answer
    x = 672,191,520.04

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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.