Home / 808,587,256.92-1,115,850,416.31-437,309,288.25

Finding the Fourth Proportional to 808,587,256.92, 1,115,850,416.31 and 437,309,288.25

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Solution

The fourth proportional to 808,587,256.92, 1,115,850,416.31 and 437,309,288.25 is: 603,486,818.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,587,256.92 : 1,115,850,416.31 = 437,309,288.25 : x
  2. Step 2: Convert to fraction form
    808,587,256.92/1,115,850,416.31 = 437,309,288.25/x
  3. Step 3: Cross multiply
    808,587,256.92x = 1,115,850,416.31 × 437,309,288.25
  4. Step 4: Simplify right side
    808,587,256.92x = 487,971,751,349,992,256
  5. Step 5: Solve for x
    x = 487,971,751,349,992,256/808,587,256.92
  6. Step 6: Final answer
    x = 603,486,818.74

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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.