Home / 395,300,400.30-592,950,600.45-201,590,155.80

Finding the Fourth Proportional to 395,300,400.30, 592,950,600.45 and 201,590,155.80

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Solution

The fourth proportional to 395,300,400.30, 592,950,600.45 and 201,590,155.80 is: 302,385,233.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,300,400.30 : 592,950,600.45 = 201,590,155.80 : x
  2. Step 2: Convert to fraction form
    395,300,400.30/592,950,600.45 = 201,590,155.80/x
  3. Step 3: Cross multiply
    395,300,400.30x = 592,950,600.45 × 201,590,155.80
  4. Step 4: Simplify right side
    395,300,400.30x = 119,533,003,926,419,072
  5. Step 5: Solve for x
    x = 119,533,003,926,419,072/395,300,400.30
  6. Step 6: Final answer
    x = 302,385,233.70

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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.