Home / 449,153,748.83-618,949,237.05-343,426,957.22

Finding the Fourth Proportional to 449,153,748.83, 618,949,237.05 and 343,426,957.22

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Solution

The fourth proportional to 449,153,748.83, 618,949,237.05 and 343,426,957.22 is: 473,254,099.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,153,748.83 : 618,949,237.05 = 343,426,957.22 : x
  2. Step 2: Convert to fraction form
    449,153,748.83/618,949,237.05 = 343,426,957.22/x
  3. Step 3: Cross multiply
    449,153,748.83x = 618,949,237.05 × 343,426,957.22
  4. Step 4: Simplify right side
    449,153,748.83x = 212,563,853,150,627,200
  5. Step 5: Solve for x
    x = 212,563,853,150,627,200/449,153,748.83
  6. Step 6: Final answer
    x = 473,254,099.98

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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.