Home / 338,645,578.02-508,018,842.99-120,277,574.34

Finding the Fourth Proportional to 338,645,578.02, 508,018,842.99 and 120,277,574.34

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Solution

The fourth proportional to 338,645,578.02, 508,018,842.99 and 120,277,574.34 is: 180,434,289.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,645,578.02 : 508,018,842.99 = 120,277,574.34 : x
  2. Step 2: Convert to fraction form
    338,645,578.02/508,018,842.99 = 120,277,574.34/x
  3. Step 3: Cross multiply
    338,645,578.02x = 508,018,842.99 × 120,277,574.34
  4. Step 4: Simplify right side
    338,645,578.02x = 61,103,274,153,850,512
  5. Step 5: Solve for x
    x = 61,103,274,153,850,512/338,645,578.02
  6. Step 6: Final answer
    x = 180,434,289.18

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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.