Home / 289,626,811.62-399,692,837.43-157,476,680.34

Finding the Fourth Proportional to 289,626,811.62, 399,692,837.43 and 157,476,680.34

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Solution

The fourth proportional to 289,626,811.62, 399,692,837.43 and 157,476,680.34 is: 217,322,080.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,626,811.62 : 399,692,837.43 = 157,476,680.34 : x
  2. Step 2: Convert to fraction form
    289,626,811.62/399,692,837.43 = 157,476,680.34/x
  3. Step 3: Cross multiply
    289,626,811.62x = 399,692,837.43 × 157,476,680.34
  4. Step 4: Simplify right side
    289,626,811.62x = 62,942,301,194,151,696
  5. Step 5: Solve for x
    x = 62,942,301,194,151,696/289,626,811.62
  6. Step 6: Final answer
    x = 217,322,080.24

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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.