Home / 300,450,821.40-450,676,232.10-273,187,898.10

Finding the Fourth Proportional to 300,450,821.40, 450,676,232.10 and 273,187,898.10

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Solution

The fourth proportional to 300,450,821.40, 450,676,232.10 and 273,187,898.10 is: 409,781,847.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,450,821.40 : 450,676,232.10 = 273,187,898.10 : x
  2. Step 2: Convert to fraction form
    300,450,821.40/450,676,232.10 = 273,187,898.10/x
  3. Step 3: Cross multiply
    300,450,821.40x = 450,676,232.10 × 273,187,898.10
  4. Step 4: Simplify right side
    300,450,821.40x = 123,119,292,571,026,768
  5. Step 5: Solve for x
    x = 123,119,292,571,026,768/300,450,821.40
  6. Step 6: Final answer
    x = 409,781,847.15

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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.