Home / 347,945,416.40-521,918,124.60-233,283,630.80

Finding the Fourth Proportional to 347,945,416.40, 521,918,124.60 and 233,283,630.80

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Solution

The fourth proportional to 347,945,416.40, 521,918,124.60 and 233,283,630.80 is: 349,925,446.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,945,416.40 : 521,918,124.60 = 233,283,630.80 : x
  2. Step 2: Convert to fraction form
    347,945,416.40/521,918,124.60 = 233,283,630.80/x
  3. Step 3: Cross multiply
    347,945,416.40x = 521,918,124.60 × 233,283,630.80
  4. Step 4: Simplify right side
    347,945,416.40x = 121,754,955,087,014,816
  5. Step 5: Solve for x
    x = 121,754,955,087,014,816/347,945,416.40
  6. Step 6: Final answer
    x = 349,925,446.20

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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.