Home / 347,095,842.42-478,990,948.59-190,465,570.56

Finding the Fourth Proportional to 347,095,842.42, 478,990,948.59 and 190,465,570.56

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Solution

The fourth proportional to 347,095,842.42, 478,990,948.59 and 190,465,570.56 is: 262,841,766.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,095,842.42 : 478,990,948.59 = 190,465,570.56 : x
  2. Step 2: Convert to fraction form
    347,095,842.42/478,990,948.59 = 190,465,570.56/x
  3. Step 3: Cross multiply
    347,095,842.42x = 478,990,948.59 × 190,465,570.56
  4. Step 4: Simplify right side
    347,095,842.42x = 91,231,284,316,269,968
  5. Step 5: Solve for x
    x = 91,231,284,316,269,968/347,095,842.42
  6. Step 6: Final answer
    x = 262,841,766.36

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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.