Home / 398,302,859.64-597,113,512.74-152,835,648.24

Finding the Fourth Proportional to 398,302,859.64, 597,113,512.74 and 152,835,648.24

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Solution

The fourth proportional to 398,302,859.64, 597,113,512.74 and 152,835,648.24 is: 229,122,710.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,302,859.64 : 597,113,512.74 = 152,835,648.24 : x
  2. Step 2: Convert to fraction form
    398,302,859.64/597,113,512.74 = 152,835,648.24/x
  3. Step 3: Cross multiply
    398,302,859.64x = 597,113,512.74 × 152,835,648.24
  4. Step 4: Simplify right side
    398,302,859.64x = 91,260,230,792,481,408
  5. Step 5: Solve for x
    x = 91,260,230,792,481,408/398,302,859.64
  6. Step 6: Final answer
    x = 229,122,710.48

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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.