Home / 299,558,428.20-449,337,642.30-251,185,487.40

Finding the Fourth Proportional to 299,558,428.20, 449,337,642.30 and 251,185,487.40

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Solution

The fourth proportional to 299,558,428.20, 449,337,642.30 and 251,185,487.40 is: 376,778,231.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,558,428.20 : 449,337,642.30 = 251,185,487.40 : x
  2. Step 2: Convert to fraction form
    299,558,428.20/449,337,642.30 = 251,185,487.40/x
  3. Step 3: Cross multiply
    299,558,428.20x = 449,337,642.30 × 251,185,487.40
  4. Step 4: Simplify right side
    299,558,428.20x = 112,867,094,688,292,368
  5. Step 5: Solve for x
    x = 112,867,094,688,292,368/299,558,428.20
  6. Step 6: Final answer
    x = 376,778,231.10

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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.