Home / 338,939,760.60-508,456,880.10-144,849,634.20

Finding the Fourth Proportional to 338,939,760.60, 508,456,880.10 and 144,849,634.20

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Solution

The fourth proportional to 338,939,760.60, 508,456,880.10 and 144,849,634.20 is: 217,294,639.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,939,760.60 : 508,456,880.10 = 144,849,634.20 : x
  2. Step 2: Convert to fraction form
    338,939,760.60/508,456,880.10 = 144,849,634.20/x
  3. Step 3: Cross multiply
    338,939,760.60x = 508,456,880.10 × 144,849,634.20
  4. Step 4: Simplify right side
    338,939,760.60x = 73,649,793,088,958,256
  5. Step 5: Solve for x
    x = 73,649,793,088,958,256/338,939,760.60
  6. Step 6: Final answer
    x = 217,294,639.49

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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.