Home / 415,499,057,244.64-623,651,609,221.96-200,518,890,257.40

Finding the Fourth Proportional to 415,499,057,244.64, 623,651,609,221.96 and 200,518,890,257.40

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Solution

The fourth proportional to 415,499,057,244.64, 623,651,609,221.96 and 200,518,890,257.40 is: 300,972,833,531.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,499,057,244.64 : 623,651,609,221.96 = 200,518,890,257.40 : x
  2. Step 2: Convert to fraction form
    415,499,057,244.64/623,651,609,221.96 = 200,518,890,257.40/x
  3. Step 3: Cross multiply
    415,499,057,244.64x = 623,651,609,221.96 × 200,518,890,257.40
  4. Step 4: Simplify right side
    415,499,057,244.64x = 125,053,928,588,429,102,153,728
  5. Step 5: Solve for x
    x = 125,053,928,588,429,102,153,728/415,499,057,244.64
  6. Step 6: Final answer
    x = 300,972,833,531.12

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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.