Home / 773,103,416.55-1,066,873,746.77-420,673,335.14

Finding the Fourth Proportional to 773,103,416.55, 1,066,873,746.77 and 420,673,335.14

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Solution

The fourth proportional to 773,103,416.55, 1,066,873,746.77 and 420,673,335.14 is: 580,524,322.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,103,416.55 : 1,066,873,746.77 = 420,673,335.14 : x
  2. Step 2: Convert to fraction form
    773,103,416.55/1,066,873,746.77 = 420,673,335.14/x
  3. Step 3: Cross multiply
    773,103,416.55x = 1,066,873,746.77 × 420,673,335.14
  4. Step 4: Simplify right side
    773,103,416.55x = 448,805,337,219,605,952
  5. Step 5: Solve for x
    x = 448,805,337,219,605,952/773,103,416.55
  6. Step 6: Final answer
    x = 580,524,322.64

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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.