Home / 449,153,739.45-618,949,224.11-343,426,947.82

Finding the Fourth Proportional to 449,153,739.45, 618,949,224.11 and 343,426,947.82

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Solution

The fourth proportional to 449,153,739.45, 618,949,224.11 and 343,426,947.82 is: 473,254,087.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,153,739.45 : 618,949,224.11 = 343,426,947.82 : x
  2. Step 2: Convert to fraction form
    449,153,739.45/618,949,224.11 = 343,426,947.82/x
  3. Step 3: Cross multiply
    449,153,739.45x = 618,949,224.11 × 343,426,947.82
  4. Step 4: Simplify right side
    449,153,739.45x = 212,563,842,890,965,632
  5. Step 5: Solve for x
    x = 212,563,842,890,965,632/449,153,739.45
  6. Step 6: Final answer
    x = 473,254,087.01

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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.