Home / 545,792,028.15-818,688,042.23-448,936,905.90

Finding the Fourth Proportional to 545,792,028.15, 818,688,042.23 and 448,936,905.90

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Solution

The fourth proportional to 545,792,028.15, 818,688,042.23 and 448,936,905.90 is: 673,405,358.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,792,028.15 : 818,688,042.23 = 448,936,905.90 : x
  2. Step 2: Convert to fraction form
    545,792,028.15/818,688,042.23 = 448,936,905.90/x
  3. Step 3: Cross multiply
    545,792,028.15x = 818,688,042.23 × 448,936,905.90
  4. Step 4: Simplify right side
    545,792,028.15x = 367,539,276,573,820,032
  5. Step 5: Solve for x
    x = 367,539,276,573,820,032/545,792,028.15
  6. Step 6: Final answer
    x = 673,405,358.85

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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.