Home / 401,278,581.96-553,766,404.56-225,075,994.20

Finding the Fourth Proportional to 401,278,581.96, 553,766,404.56 and 225,075,994.20

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Solution

The fourth proportional to 401,278,581.96, 553,766,404.56 and 225,075,994.20 is: 310,605,972.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,278,581.96 : 553,766,404.56 = 225,075,994.20 : x
  2. Step 2: Convert to fraction form
    401,278,581.96/553,766,404.56 = 225,075,994.20/x
  3. Step 3: Cross multiply
    401,278,581.96x = 553,766,404.56 × 225,075,994.20
  4. Step 4: Simplify right side
    401,278,581.96x = 124,639,524,060,901,392
  5. Step 5: Solve for x
    x = 124,639,524,060,901,392/401,278,581.96
  6. Step 6: Final answer
    x = 310,605,972.17

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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.