Home / 419,866,421.70-629,799,632.55-236,200,412.10

Finding the Fourth Proportional to 419,866,421.70, 629,799,632.55 and 236,200,412.10

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Solution

The fourth proportional to 419,866,421.70, 629,799,632.55 and 236,200,412.10 is: 354,300,618.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,866,421.70 : 629,799,632.55 = 236,200,412.10 : x
  2. Step 2: Convert to fraction form
    419,866,421.70/629,799,632.55 = 236,200,412.10/x
  3. Step 3: Cross multiply
    419,866,421.70x = 629,799,632.55 × 236,200,412.10
  4. Step 4: Simplify right side
    419,866,421.70x = 148,758,932,748,738,560
  5. Step 5: Solve for x
    x = 148,758,932,748,738,560/419,866,421.70
  6. Step 6: Final answer
    x = 354,300,618.15

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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.