Home / 284,256,129.60-426,384,194.40-238,339,627.20

Finding the Fourth Proportional to 284,256,129.60, 426,384,194.40 and 238,339,627.20

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Solution

The fourth proportional to 284,256,129.60, 426,384,194.40 and 238,339,627.20 is: 357,509,440.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,256,129.60 : 426,384,194.40 = 238,339,627.20 : x
  2. Step 2: Convert to fraction form
    284,256,129.60/426,384,194.40 = 238,339,627.20/x
  3. Step 3: Cross multiply
    284,256,129.60x = 426,384,194.40 × 238,339,627.20
  4. Step 4: Simplify right side
    284,256,129.60x = 101,624,249,937,268,320
  5. Step 5: Solve for x
    x = 101,624,249,937,268,320/284,256,129.60
  6. Step 6: Final answer
    x = 357,509,440.80

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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.