Home / 280,314,576.10-420,471,864.15-280,314,576.10

Finding the Fourth Proportional to 280,314,576.10, 420,471,864.15 and 280,314,576.10

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Solution

The fourth proportional to 280,314,576.10, 420,471,864.15 and 280,314,576.10 is: 420,471,864.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,314,576.10 : 420,471,864.15 = 280,314,576.10 : x
  2. Step 2: Convert to fraction form
    280,314,576.10/420,471,864.15 = 280,314,576.10/x
  3. Step 3: Cross multiply
    280,314,576.10x = 420,471,864.15 × 280,314,576.10
  4. Step 4: Simplify right side
    280,314,576.10x = 117,864,392,361,184,048
  5. Step 5: Solve for x
    x = 117,864,392,361,184,048/280,314,576.10
  6. Step 6: Final answer
    x = 420,471,864.15

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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.