Home / 378,612,604.02-568,118,860.71-268,658,769.22

Finding the Fourth Proportional to 378,612,604.02, 568,118,860.71 and 268,658,769.22

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Solution

The fourth proportional to 378,612,604.02, 568,118,860.71 and 268,658,769.22 is: 403,130,039.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,612,604.02 : 568,118,860.71 = 268,658,769.22 : x
  2. Step 2: Convert to fraction form
    378,612,604.02/568,118,860.71 = 268,658,769.22/x
  3. Step 3: Cross multiply
    378,612,604.02x = 568,118,860.71 × 268,658,769.22
  4. Step 4: Simplify right side
    378,612,604.02x = 152,630,113,887,596,928
  5. Step 5: Solve for x
    x = 152,630,113,887,596,928/378,612,604.02
  6. Step 6: Final answer
    x = 403,130,039.17

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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.