Home / 456,358,155.94-629,788,511.10-258,115,771.53

Finding the Fourth Proportional to 456,358,155.94, 629,788,511.10 and 258,115,771.53

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Solution

The fourth proportional to 456,358,155.94, 629,788,511.10 and 258,115,771.53 is: 356,207,827.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,358,155.94 : 629,788,511.10 = 258,115,771.53 : x
  2. Step 2: Convert to fraction form
    456,358,155.94/629,788,511.10 = 258,115,771.53/x
  3. Step 3: Cross multiply
    456,358,155.94x = 629,788,511.10 × 258,115,771.53
  4. Step 4: Simplify right side
    456,358,155.94x = 162,558,347,444,274,400
  5. Step 5: Solve for x
    x = 162,558,347,444,274,400/456,358,155.94
  6. Step 6: Final answer
    x = 356,207,827.84

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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.