Home / 447,539,080.95-671,412,473.82-140,823,222.21

Finding the Fourth Proportional to 447,539,080.95, 671,412,473.82 and 140,823,222.21

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Solution

The fourth proportional to 447,539,080.95, 671,412,473.82 and 140,823,222.21 is: 211,267,511.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,539,080.95 : 671,412,473.82 = 140,823,222.21 : x
  2. Step 2: Convert to fraction form
    447,539,080.95/671,412,473.82 = 140,823,222.21/x
  3. Step 3: Cross multiply
    447,539,080.95x = 671,412,473.82 × 140,823,222.21
  4. Step 4: Simplify right side
    447,539,080.95x = 94,550,467,995,319,680
  5. Step 5: Solve for x
    x = 94,550,467,995,319,680/447,539,080.95
  6. Step 6: Final answer
    x = 211,267,511.64

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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.