Home / 450,285,278.92-621,400,031.06-259,440,822.24

Finding the Fourth Proportional to 450,285,278.92, 621,400,031.06 and 259,440,822.24

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Solution

The fourth proportional to 450,285,278.92, 621,400,031.06 and 259,440,822.24 is: 358,031,991.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,285,278.92 : 621,400,031.06 = 259,440,822.24 : x
  2. Step 2: Convert to fraction form
    450,285,278.92/621,400,031.06 = 259,440,822.24/x
  3. Step 3: Cross multiply
    450,285,278.92x = 621,400,031.06 × 259,440,822.24
  4. Step 4: Simplify right side
    450,285,278.92x = 161,216,534,998,167,936
  5. Step 5: Solve for x
    x = 161,216,534,998,167,936/450,285,278.92
  6. Step 6: Final answer
    x = 358,031,991.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.