Home / 415,197,444.60-622,371,014.10-242,585,407.80

Finding the Fourth Proportional to 415,197,444.60, 622,371,014.10 and 242,585,407.80

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Solution

The fourth proportional to 415,197,444.60, 622,371,014.10 and 242,585,407.80 is: 363,629,709.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,197,444.60 : 622,371,014.10 = 242,585,407.80 : x
  2. Step 2: Convert to fraction form
    415,197,444.60/622,371,014.10 = 242,585,407.80/x
  3. Step 3: Cross multiply
    415,197,444.60x = 622,371,014.10 × 242,585,407.80
  4. Step 4: Simplify right side
    415,197,444.60x = 150,978,126,258,348,064
  5. Step 5: Solve for x
    x = 150,978,126,258,348,064/415,197,444.60
  6. Step 6: Final answer
    x = 363,629,709.72

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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.