Home / 477,297,939.45-715,738,206.05-240,801,970.53

Finding the Fourth Proportional to 477,297,939.45, 715,738,206.05 and 240,801,970.53

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Solution

The fourth proportional to 477,297,939.45, 715,738,206.05 and 240,801,970.53 is: 361,097,662.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,297,939.45 : 715,738,206.05 = 240,801,970.53 : x
  2. Step 2: Convert to fraction form
    477,297,939.45/715,738,206.05 = 240,801,970.53/x
  3. Step 3: Cross multiply
    477,297,939.45x = 715,738,206.05 × 240,801,970.53
  4. Step 4: Simplify right side
    477,297,939.45x = 172,351,170,402,825,472
  5. Step 5: Solve for x
    x = 172,351,170,402,825,472/477,297,939.45
  6. Step 6: Final answer
    x = 361,097,662.81

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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.