Home / 451,119,722,240.30-676,957,914,614.82-209,051,712,417.43

Finding the Fourth Proportional to 451,119,722,240.30, 676,957,914,614.82 and 209,051,712,417.43

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Solution

The fourth proportional to 451,119,722,240.30, 676,957,914,614.82 and 209,051,712,417.43 is: 313,706,549,077.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,119,722,240.30 : 676,957,914,614.82 = 209,051,712,417.43 : x
  2. Step 2: Convert to fraction form
    451,119,722,240.30/676,957,914,614.82 = 209,051,712,417.43/x
  3. Step 3: Cross multiply
    451,119,722,240.30x = 676,957,914,614.82 × 209,051,712,417.43
  4. Step 4: Simplify right side
    451,119,722,240.30x = 141,519,211,284,760,467,865,600
  5. Step 5: Solve for x
    x = 141,519,211,284,760,467,865,600/451,119,722,240.30
  6. Step 6: Final answer
    x = 313,706,549,077.40

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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.