Home / 625,976,939,848.99-939,019,497,991.77-172,695,843,928.92

Finding the Fourth Proportional to 625,976,939,848.99, 939,019,497,991.77 and 172,695,843,928.92

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Solution

The fourth proportional to 625,976,939,848.99, 939,019,497,991.77 and 172,695,843,928.92 is: 259,058,687,865.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,976,939,848.99 : 939,019,497,991.77 = 172,695,843,928.92 : x
  2. Step 2: Convert to fraction form
    625,976,939,848.99/939,019,497,991.77 = 172,695,843,928.92/x
  3. Step 3: Cross multiply
    625,976,939,848.99x = 939,019,497,991.77 × 172,695,843,928.92
  4. Step 4: Simplify right side
    625,976,939,848.99x = 162,164,764,671,399,526,662,144
  5. Step 5: Solve for x
    x = 162,164,764,671,399,526,662,144/625,976,939,848.99
  6. Step 6: Final answer
    x = 259,058,687,865.60

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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.