Home / 550,593,980.50-759,839,742.42-299,686,253.86

Finding the Fourth Proportional to 550,593,980.50, 759,839,742.42 and 299,686,253.86

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Solution

The fourth proportional to 550,593,980.50, 759,839,742.42 and 299,686,253.86 is: 413,577,943.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,593,980.50 : 759,839,742.42 = 299,686,253.86 : x
  2. Step 2: Convert to fraction form
    550,593,980.50/759,839,742.42 = 299,686,253.86/x
  3. Step 3: Cross multiply
    550,593,980.50x = 759,839,742.42 × 299,686,253.86
  4. Step 4: Simplify right side
    550,593,980.50x = 227,713,525,939,797,120
  5. Step 5: Solve for x
    x = 227,713,525,939,797,120/550,593,980.50
  6. Step 6: Final answer
    x = 413,577,943.10

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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.