Home / 431,224,161.91-595,089,343.43-245,602,449.43

Finding the Fourth Proportional to 431,224,161.91, 595,089,343.43 and 245,602,449.43

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Solution

The fourth proportional to 431,224,161.91, 595,089,343.43 and 245,602,449.43 is: 338,931,380.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,224,161.91 : 595,089,343.43 = 245,602,449.43 : x
  2. Step 2: Convert to fraction form
    431,224,161.91/595,089,343.43 = 245,602,449.43/x
  3. Step 3: Cross multiply
    431,224,161.91x = 595,089,343.43 × 245,602,449.43
  4. Step 4: Simplify right side
    431,224,161.91x = 146,155,400,374,303,776
  5. Step 5: Solve for x
    x = 146,155,400,374,303,776/431,224,161.91
  6. Step 6: Final answer
    x = 338,931,380.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.