Home / 772,037,335.77-1,065,422,313.16-419,613,220.77

Finding the Fourth Proportional to 772,037,335.77, 1,065,422,313.16 and 419,613,220.77

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Solution

The fourth proportional to 772,037,335.77, 1,065,422,313.16 and 419,613,220.77 is: 579,072,109.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,037,335.77 : 1,065,422,313.16 = 419,613,220.77 : x
  2. Step 2: Convert to fraction form
    772,037,335.77/1,065,422,313.16 = 419,613,220.77/x
  3. Step 3: Cross multiply
    772,037,335.77x = 1,065,422,313.16 × 419,613,220.77
  4. Step 4: Simplify right side
    772,037,335.77x = 447,065,288,300,246,848
  5. Step 5: Solve for x
    x = 447,065,288,300,246,848/772,037,335.77
  6. Step 6: Final answer
    x = 579,072,109.07

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.