Home / 443,331,258.40-664,996,887.60-374,456,504.80

Finding the Fourth Proportional to 443,331,258.40, 664,996,887.60 and 374,456,504.80

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Solution

The fourth proportional to 443,331,258.40, 664,996,887.60 and 374,456,504.80 is: 561,684,757.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,331,258.40 : 664,996,887.60 = 374,456,504.80 : x
  2. Step 2: Convert to fraction form
    443,331,258.40/664,996,887.60 = 374,456,504.80/x
  3. Step 3: Cross multiply
    443,331,258.40x = 664,996,887.60 × 374,456,504.80
  4. Step 4: Simplify right side
    443,331,258.40x = 249,012,410,233,574,464
  5. Step 5: Solve for x
    x = 249,012,410,233,574,464/443,331,258.40
  6. Step 6: Final answer
    x = 561,684,757.20

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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.