Home / 290,035,799.28-400,254,504.84-157,880,594.34

Finding the Fourth Proportional to 290,035,799.28, 400,254,504.84 and 157,880,594.34

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Solution

The fourth proportional to 290,035,799.28, 400,254,504.84 and 157,880,594.34 is: 217,877,997.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,035,799.28 : 400,254,504.84 = 157,880,594.34 : x
  2. Step 2: Convert to fraction form
    290,035,799.28/400,254,504.84 = 157,880,594.34/x
  3. Step 3: Cross multiply
    290,035,799.28x = 400,254,504.84 × 157,880,594.34
  4. Step 4: Simplify right side
    290,035,799.28x = 63,192,419,111,401,600
  5. Step 5: Solve for x
    x = 63,192,419,111,401,600/290,035,799.28
  6. Step 6: Final answer
    x = 217,877,997.37

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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.