Home / 658,893,054.96-987,317,780.94-381,857,136.84

Finding the Fourth Proportional to 658,893,054.96, 987,317,780.94 and 381,857,136.84

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Solution

The fourth proportional to 658,893,054.96, 987,317,780.94 and 381,857,136.84 is: 572,193,526.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,893,054.96 : 987,317,780.94 = 381,857,136.84 : x
  2. Step 2: Convert to fraction form
    658,893,054.96/987,317,780.94 = 381,857,136.84/x
  3. Step 3: Cross multiply
    658,893,054.96x = 987,317,780.94 × 381,857,136.84
  4. Step 4: Simplify right side
    658,893,054.96x = 377,014,340,980,970,688
  5. Step 5: Solve for x
    x = 377,014,340,980,970,688/658,893,054.96
  6. Step 6: Final answer
    x = 572,193,526.92

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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.