Home / 359,201,007.20-538,801,510.80-273,107,565.20

Finding the Fourth Proportional to 359,201,007.20, 538,801,510.80 and 273,107,565.20

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Solution

The fourth proportional to 359,201,007.20, 538,801,510.80 and 273,107,565.20 is: 409,661,347.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,201,007.20 : 538,801,510.80 = 273,107,565.20 : x
  2. Step 2: Convert to fraction form
    359,201,007.20/538,801,510.80 = 273,107,565.20/x
  3. Step 3: Cross multiply
    359,201,007.20x = 538,801,510.80 × 273,107,565.20
  4. Step 4: Simplify right side
    359,201,007.20x = 147,150,768,740,669,472
  5. Step 5: Solve for x
    x = 147,150,768,740,669,472/359,201,007.20
  6. Step 6: Final answer
    x = 409,661,347.80

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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.