Home / 449,153,751.83-618,949,241.19-343,426,960.22

Finding the Fourth Proportional to 449,153,751.83, 618,949,241.19 and 343,426,960.22

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Solution

The fourth proportional to 449,153,751.83, 618,949,241.19 and 343,426,960.22 is: 473,254,104.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,153,751.83 : 618,949,241.19 = 343,426,960.22 : x
  2. Step 2: Convert to fraction form
    449,153,751.83/618,949,241.19 = 343,426,960.22/x
  3. Step 3: Cross multiply
    449,153,751.83x = 618,949,241.19 × 343,426,960.22
  4. Step 4: Simplify right side
    449,153,751.83x = 212,563,856,429,262,560
  5. Step 5: Solve for x
    x = 212,563,856,429,262,560/449,153,751.83
  6. Step 6: Final answer
    x = 473,254,104.11

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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.