Home / 598,781,444.06-826,008,881.55-378,892,415.90

Finding the Fourth Proportional to 598,781,444.06, 826,008,881.55 and 378,892,415.90

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Solution

The fourth proportional to 598,781,444.06, 826,008,881.55 and 378,892,415.90 is: 522,675,683.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,781,444.06 : 826,008,881.55 = 378,892,415.90 : x
  2. Step 2: Convert to fraction form
    598,781,444.06/826,008,881.55 = 378,892,415.90/x
  3. Step 3: Cross multiply
    598,781,444.06x = 826,008,881.55 × 378,892,415.90
  4. Step 4: Simplify right side
    598,781,444.06x = 312,968,500,681,206,336
  5. Step 5: Solve for x
    x = 312,968,500,681,206,336/598,781,444.06
  6. Step 6: Final answer
    x = 522,675,683.74

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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.