Home / 340,254,859.40-510,382,289.10-158,520,408.20

Finding the Fourth Proportional to 340,254,859.40, 510,382,289.10 and 158,520,408.20

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Solution

The fourth proportional to 340,254,859.40, 510,382,289.10 and 158,520,408.20 is: 237,780,612.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,254,859.40 : 510,382,289.10 = 158,520,408.20 : x
  2. Step 2: Convert to fraction form
    340,254,859.40/510,382,289.10 = 158,520,408.20/x
  3. Step 3: Cross multiply
    340,254,859.40x = 510,382,289.10 × 158,520,408.20
  4. Step 4: Simplify right side
    340,254,859.40x = 80,906,008,806,182,416
  5. Step 5: Solve for x
    x = 80,906,008,806,182,416/340,254,859.40
  6. Step 6: Final answer
    x = 237,780,612.30

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1.5x scale

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.