Home / 293,391,770.40-440,371,090.80-178,600,514.40

Finding the Fourth Proportional to 293,391,770.40, 440,371,090.80 and 178,600,514.40

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Solution

The fourth proportional to 293,391,770.40, 440,371,090.80 and 178,600,514.40 is: 268,073,311.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,391,770.40 : 440,371,090.80 = 178,600,514.40 : x
  2. Step 2: Convert to fraction form
    293,391,770.40/440,371,090.80 = 178,600,514.40/x
  3. Step 3: Cross multiply
    293,391,770.40x = 440,371,090.80 × 178,600,514.40
  4. Step 4: Simplify right side
    293,391,770.40x = 78,650,503,343,769,120
  5. Step 5: Solve for x
    x = 78,650,503,343,769,120/293,391,770.40
  6. Step 6: Final answer
    x = 268,073,311.11

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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.