Home / 299,487,415.40-449,231,123.10-284,370,871.40

Finding the Fourth Proportional to 299,487,415.40, 449,231,123.10 and 284,370,871.40

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Solution

The fourth proportional to 299,487,415.40, 449,231,123.10 and 284,370,871.40 is: 426,556,307.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,487,415.40 : 449,231,123.10 = 284,370,871.40 : x
  2. Step 2: Convert to fraction form
    299,487,415.40/449,231,123.10 = 284,370,871.40/x
  3. Step 3: Cross multiply
    299,487,415.40x = 449,231,123.10 × 284,370,871.40
  4. Step 4: Simplify right side
    299,487,415.40x = 127,748,245,935,947,664
  5. Step 5: Solve for x
    x = 127,748,245,935,947,664/299,487,415.40
  6. Step 6: Final answer
    x = 426,556,307.10

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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.