Home / 543,172,878,605.90-749,618,189,914.70-314,861,063,294.58

Finding the Fourth Proportional to 543,172,878,605.90, 749,618,189,914.70 and 314,861,063,294.58

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Solution

The fourth proportional to 543,172,878,605.90, 749,618,189,914.70 and 314,861,063,294.58 is: 434,531,232,390.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,172,878,605.90 : 749,618,189,914.70 = 314,861,063,294.58 : x
  2. Step 2: Convert to fraction form
    543,172,878,605.90/749,618,189,914.70 = 314,861,063,294.58/x
  3. Step 3: Cross multiply
    543,172,878,605.90x = 749,618,189,914.70 × 314,861,063,294.58
  4. Step 4: Simplify right side
    543,172,878,605.90x = 236,025,580,341,500,835,790,848
  5. Step 5: Solve for x
    x = 236,025,580,341,500,835,790,848/543,172,878,605.90
  6. Step 6: Final answer
    x = 434,531,232,390.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.