Home / 347,701,330.80-521,551,996.20-225,257,324.40

Finding the Fourth Proportional to 347,701,330.80, 521,551,996.20 and 225,257,324.40

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Solution

The fourth proportional to 347,701,330.80, 521,551,996.20 and 225,257,324.40 is: 337,885,986.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,701,330.80 : 521,551,996.20 = 225,257,324.40 : x
  2. Step 2: Convert to fraction form
    347,701,330.80/521,551,996.20 = 225,257,324.40/x
  3. Step 3: Cross multiply
    347,701,330.80x = 521,551,996.20 × 225,257,324.40
  4. Step 4: Simplify right side
    347,701,330.80x = 117,483,407,199,490,960
  5. Step 5: Solve for x
    x = 117,483,407,199,490,960/347,701,330.80
  6. Step 6: Final answer
    x = 337,885,986.60

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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.