Home / 643,808,316.56-888,404,822.41-365,349,839.18

Finding the Fourth Proportional to 643,808,316.56, 888,404,822.41 and 365,349,839.18

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Solution

The fourth proportional to 643,808,316.56, 888,404,822.41 and 365,349,839.18 is: 504,154,032.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,808,316.56 : 888,404,822.41 = 365,349,839.18 : x
  2. Step 2: Convert to fraction form
    643,808,316.56/888,404,822.41 = 365,349,839.18/x
  3. Step 3: Cross multiply
    643,808,316.56x = 888,404,822.41 × 365,349,839.18
  4. Step 4: Simplify right side
    643,808,316.56x = 324,578,558,994,229,952
  5. Step 5: Solve for x
    x = 324,578,558,994,229,952/643,808,316.56
  6. Step 6: Final answer
    x = 504,154,032.57

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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.