Home / 414,518,689.80-622,176,165.90-210,277,384.20

Finding the Fourth Proportional to 414,518,689.80, 622,176,165.90 and 210,277,384.20

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Solution

The fourth proportional to 414,518,689.80, 622,176,165.90 and 210,277,384.20 is: 315,618,040.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,518,689.80 : 622,176,165.90 = 210,277,384.20 : x
  2. Step 2: Convert to fraction form
    414,518,689.80/622,176,165.90 = 210,277,384.20/x
  3. Step 3: Cross multiply
    414,518,689.80x = 622,176,165.90 × 210,277,384.20
  4. Step 4: Simplify right side
    414,518,689.80x = 130,829,576,677,037,232
  5. Step 5: Solve for x
    x = 130,829,576,677,037,232/414,518,689.80
  6. Step 6: Final answer
    x = 315,618,040.62

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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.