Home / 1,002,961,016.84-1,504,520,694.81-266,031,139.21

Finding the Fourth Proportional to 1,002,961,016.84, 1,504,520,694.81 and 266,031,139.21

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Solution

The fourth proportional to 1,002,961,016.84, 1,504,520,694.81 and 266,031,139.21 is: 399,067,708.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,002,961,016.84 : 1,504,520,694.81 = 266,031,139.21 : x
  2. Step 2: Convert to fraction form
    1,002,961,016.84/1,504,520,694.81 = 266,031,139.21/x
  3. Step 3: Cross multiply
    1,002,961,016.84x = 1,504,520,694.81 × 266,031,139.21
  4. Step 4: Simplify right side
    1,002,961,016.84x = 400,249,354,401,563,712
  5. Step 5: Solve for x
    x = 400,249,354,401,563,712/1,002,961,016.84
  6. Step 6: Final answer
    x = 399,067,708.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.