Home / 598,781,466.10-826,008,911.97-378,892,437.94

Finding the Fourth Proportional to 598,781,466.10, 826,008,911.97 and 378,892,437.94

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Solution

The fourth proportional to 598,781,466.10, 826,008,911.97 and 378,892,437.94 is: 522,675,714.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,781,466.10 : 826,008,911.97 = 378,892,437.94 : x
  2. Step 2: Convert to fraction form
    598,781,466.10/826,008,911.97 = 378,892,437.94/x
  3. Step 3: Cross multiply
    598,781,466.10x = 826,008,911.97 × 378,892,437.94
  4. Step 4: Simplify right side
    598,781,466.10x = 312,968,530,416,480,128
  5. Step 5: Solve for x
    x = 312,968,530,416,480,128/598,781,466.10
  6. Step 6: Final answer
    x = 522,675,714.15

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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.