Home / 400,334,682.80-600,502,024.20-245,366,487.20

Finding the Fourth Proportional to 400,334,682.80, 600,502,024.20 and 245,366,487.20

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Solution

The fourth proportional to 400,334,682.80, 600,502,024.20 and 245,366,487.20 is: 368,049,730.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,334,682.80 : 600,502,024.20 = 245,366,487.20 : x
  2. Step 2: Convert to fraction form
    400,334,682.80/600,502,024.20 = 245,366,487.20/x
  3. Step 3: Cross multiply
    400,334,682.80x = 600,502,024.20 × 245,366,487.20
  4. Step 4: Simplify right side
    400,334,682.80x = 147,343,072,234,443,392
  5. Step 5: Solve for x
    x = 147,343,072,234,443,392/400,334,682.80
  6. Step 6: Final answer
    x = 368,049,730.80

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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.