Home / 447,394,599-671,115,813.39-140,710,626.72

Finding the Fourth Proportional to 447,394,599, 671,115,813.39 and 140,710,626.72

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Solution

The fourth proportional to 447,394,599, 671,115,813.39 and 140,710,626.72 is: 211,073,461.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,394,599 : 671,115,813.39 = 140,710,626.72 : x
  2. Step 2: Convert to fraction form
    447,394,599/671,115,813.39 = 140,710,626.72/x
  3. Step 3: Cross multiply
    447,394,599x = 671,115,813.39 × 140,710,626.72
  4. Step 4: Simplify right side
    447,394,599x = 94,433,126,703,809,472
  5. Step 5: Solve for x
    x = 94,433,126,703,809,472/447,394,599
  6. Step 6: Final answer
    x = 211,073,461.58

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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.