Home / 414,497,540.80-622,144,442.40-210,256,235.20

Finding the Fourth Proportional to 414,497,540.80, 622,144,442.40 and 210,256,235.20

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Solution

The fourth proportional to 414,497,540.80, 622,144,442.40 and 210,256,235.20 is: 315,586,307.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,497,540.80 : 622,144,442.40 = 210,256,235.20 : x
  2. Step 2: Convert to fraction form
    414,497,540.80/622,144,442.40 = 210,256,235.20/x
  3. Step 3: Cross multiply
    414,497,540.80x = 622,144,442.40 × 210,256,235.20
  4. Step 4: Simplify right side
    414,497,540.80x = 130,809,748,209,627,248
  5. Step 5: Solve for x
    x = 130,809,748,209,627,248/414,497,540.80
  6. Step 6: Final answer
    x = 315,586,307.12

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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.