Home / 408,760,903.42-613,111,696.56-159,719,333.22

Finding the Fourth Proportional to 408,760,903.42, 613,111,696.56 and 159,719,333.22

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Solution

The fourth proportional to 408,760,903.42, 613,111,696.56 and 159,719,333.22 is: 239,567,411.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,760,903.42 : 613,111,696.56 = 159,719,333.22 : x
  2. Step 2: Convert to fraction form
    408,760,903.42/613,111,696.56 = 159,719,333.22/x
  3. Step 3: Cross multiply
    408,760,903.42x = 613,111,696.56 × 159,719,333.22
  4. Step 4: Simplify right side
    408,760,903.42x = 97,925,791,363,946,160
  5. Step 5: Solve for x
    x = 97,925,791,363,946,160/408,760,903.42
  6. Step 6: Final answer
    x = 239,567,411.03

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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.