Home / 449,424,439.70-673,128,889.95-368,802,871.70

Finding the Fourth Proportional to 449,424,439.70, 673,128,889.95 and 368,802,871.70

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Solution

The fourth proportional to 449,424,439.70, 673,128,889.95 and 368,802,871.70 is: 552,377,320.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,424,439.70 : 673,128,889.95 = 368,802,871.70 : x
  2. Step 2: Convert to fraction form
    449,424,439.70/673,128,889.95 = 368,802,871.70/x
  3. Step 3: Cross multiply
    449,424,439.70x = 673,128,889.95 × 368,802,871.70
  4. Step 4: Simplify right side
    449,424,439.70x = 248,251,867,637,793,280
  5. Step 5: Solve for x
    x = 248,251,867,637,793,280/449,424,439.70
  6. Step 6: Final answer
    x = 552,377,320.21

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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.