Home / 551,579,558-761,185,040.28-304,069,789.04

Finding the Fourth Proportional to 551,579,558, 761,185,040.28 and 304,069,789.04

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Solution

The fourth proportional to 551,579,558, 761,185,040.28 and 304,069,789.04 is: 419,619,203.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,579,558 : 761,185,040.28 = 304,069,789.04 : x
  2. Step 2: Convert to fraction form
    551,579,558/761,185,040.28 = 304,069,789.04/x
  3. Step 3: Cross multiply
    551,579,558x = 761,185,040.28 × 304,069,789.04
  4. Step 4: Simplify right side
    551,579,558x = 231,453,374,618,343,520
  5. Step 5: Solve for x
    x = 231,453,374,618,343,520/551,579,558
  6. Step 6: Final answer
    x = 419,619,203.18

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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.