Home / 438,880,996.06-605,661,634.40-240,641,988.50

Finding the Fourth Proportional to 438,880,996.06, 605,661,634.40 and 240,641,988.50

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Solution

The fourth proportional to 438,880,996.06, 605,661,634.40 and 240,641,988.50 is: 332,089,157.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,880,996.06 : 605,661,634.40 = 240,641,988.50 : x
  2. Step 2: Convert to fraction form
    438,880,996.06/605,661,634.40 = 240,641,988.50/x
  3. Step 3: Cross multiply
    438,880,996.06x = 605,661,634.40 × 240,641,988.50
  4. Step 4: Simplify right side
    438,880,996.06x = 145,747,620,060,486,944
  5. Step 5: Solve for x
    x = 145,747,620,060,486,944/438,880,996.06
  6. Step 6: Final answer
    x = 332,089,157.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.