Home / 808,587,260.44-1,115,850,421.16-437,309,291.76

Finding the Fourth Proportional to 808,587,260.44, 1,115,850,421.16 and 437,309,291.76

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Solution

The fourth proportional to 808,587,260.44, 1,115,850,421.16 and 437,309,291.76 is: 603,486,823.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,587,260.44 : 1,115,850,421.16 = 437,309,291.76 : x
  2. Step 2: Convert to fraction form
    808,587,260.44/1,115,850,421.16 = 437,309,291.76/x
  3. Step 3: Cross multiply
    808,587,260.44x = 1,115,850,421.16 × 437,309,291.76
  4. Step 4: Simplify right side
    808,587,260.44x = 487,971,757,387,577,344
  5. Step 5: Solve for x
    x = 487,971,757,387,577,344/808,587,260.44
  6. Step 6: Final answer
    x = 603,486,823.58

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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.