Home / 449,153,750.33-618,949,239.12-343,426,958.72

Finding the Fourth Proportional to 449,153,750.33, 618,949,239.12 and 343,426,958.72

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Solution

The fourth proportional to 449,153,750.33, 618,949,239.12 and 343,426,958.72 is: 473,254,102.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,153,750.33 : 618,949,239.12 = 343,426,958.72 : x
  2. Step 2: Convert to fraction form
    449,153,750.33/618,949,239.12 = 343,426,958.72/x
  3. Step 3: Cross multiply
    449,153,750.33x = 618,949,239.12 × 343,426,958.72
  4. Step 4: Simplify right side
    449,153,750.33x = 212,563,854,789,944,896
  5. Step 5: Solve for x
    x = 212,563,854,789,944,896/449,153,750.33
  6. Step 6: Final answer
    x = 473,254,102.04

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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.