Home / 409,202,502.30-613,803,753.45-245,943,827.10

Finding the Fourth Proportional to 409,202,502.30, 613,803,753.45 and 245,943,827.10

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Solution

The fourth proportional to 409,202,502.30, 613,803,753.45 and 245,943,827.10 is: 368,915,740.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,202,502.30 : 613,803,753.45 = 245,943,827.10 : x
  2. Step 2: Convert to fraction form
    409,202,502.30/613,803,753.45 = 245,943,827.10/x
  3. Step 3: Cross multiply
    409,202,502.30x = 613,803,753.45 × 245,943,827.10
  4. Step 4: Simplify right side
    409,202,502.30x = 150,961,244,211,837,824
  5. Step 5: Solve for x
    x = 150,961,244,211,837,824/409,202,502.30
  6. Step 6: Final answer
    x = 368,915,740.65

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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.