Home / 347,945,421.40-521,918,132.10-233,283,635.80

Finding the Fourth Proportional to 347,945,421.40, 521,918,132.10 and 233,283,635.80

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Solution

The fourth proportional to 347,945,421.40, 521,918,132.10 and 233,283,635.80 is: 349,925,453.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,945,421.40 : 521,918,132.10 = 233,283,635.80 : x
  2. Step 2: Convert to fraction form
    347,945,421.40/521,918,132.10 = 233,283,635.80/x
  3. Step 3: Cross multiply
    347,945,421.40x = 521,918,132.10 × 233,283,635.80
  4. Step 4: Simplify right side
    347,945,421.40x = 121,754,959,446,232,704
  5. Step 5: Solve for x
    x = 121,754,959,446,232,704/347,945,421.40
  6. Step 6: Final answer
    x = 349,925,453.70

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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.