Home / 445,864,237.10-668,557,207.20-186,786,749.60

Finding the Fourth Proportional to 445,864,237.10, 668,557,207.20 and 186,786,749.60

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Solution

The fourth proportional to 445,864,237.10, 668,557,207.20 and 186,786,749.60 is: 280,079,937.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,864,237.10 : 668,557,207.20 = 186,786,749.60 : x
  2. Step 2: Convert to fraction form
    445,864,237.10/668,557,207.20 = 186,786,749.60/x
  3. Step 3: Cross multiply
    445,864,237.10x = 668,557,207.20 × 186,786,749.60
  4. Step 4: Simplify right side
    445,864,237.10x = 124,877,627,654,541,728
  5. Step 5: Solve for x
    x = 124,877,627,654,541,728/445,864,237.10
  6. Step 6: Final answer
    x = 280,079,937.49

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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.