Home / 488,208,998.40-673,087,324.32-352,305,190.32

Finding the Fourth Proportional to 488,208,998.40, 673,087,324.32 and 352,305,190.32

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Solution

The fourth proportional to 488,208,998.40, 673,087,324.32 and 352,305,190.32 is: 485,718,531.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,208,998.40 : 673,087,324.32 = 352,305,190.32 : x
  2. Step 2: Convert to fraction form
    488,208,998.40/673,087,324.32 = 352,305,190.32/x
  3. Step 3: Cross multiply
    488,208,998.40x = 673,087,324.32 × 352,305,190.32
  4. Step 4: Simplify right side
    488,208,998.40x = 237,132,157,896,537,184
  5. Step 5: Solve for x
    x = 237,132,157,896,537,184/488,208,998.40
  6. Step 6: Final answer
    x = 485,718,531.76

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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.