Home / 409,202,484.30-613,803,726.45-245,943,809.10

Finding the Fourth Proportional to 409,202,484.30, 613,803,726.45 and 245,943,809.10

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Solution

The fourth proportional to 409,202,484.30, 613,803,726.45 and 245,943,809.10 is: 368,915,713.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,202,484.30 : 613,803,726.45 = 245,943,809.10 : x
  2. Step 2: Convert to fraction form
    409,202,484.30/613,803,726.45 = 245,943,809.10/x
  3. Step 3: Cross multiply
    409,202,484.30x = 613,803,726.45 × 245,943,809.10
  4. Step 4: Simplify right side
    409,202,484.30x = 150,961,226,522,887,424
  5. Step 5: Solve for x
    x = 150,961,226,522,887,424/409,202,484.30
  6. Step 6: Final answer
    x = 368,915,713.65

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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.