Home / 281,252,905.25-421,455,690.47-250,602,377.72

Finding the Fourth Proportional to 281,252,905.25, 421,455,690.47 and 250,602,377.72

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Solution

The fourth proportional to 281,252,905.25, 421,455,690.47 and 250,602,377.72 is: 375,526,069.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,252,905.25 : 421,455,690.47 = 250,602,377.72 : x
  2. Step 2: Convert to fraction form
    281,252,905.25/421,455,690.47 = 250,602,377.72/x
  3. Step 3: Cross multiply
    281,252,905.25x = 421,455,690.47 × 250,602,377.72
  4. Step 4: Simplify right side
    281,252,905.25x = 105,617,798,132,046,048
  5. Step 5: Solve for x
    x = 105,617,798,132,046,048/281,252,905.25
  6. Step 6: Final answer
    x = 375,526,069.82

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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.