Home / 1,043,710,855.12-1,566,700,687.75-422,353,876.11

Finding the Fourth Proportional to 1,043,710,855.12, 1,566,700,687.75 and 422,353,876.11

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Solution

The fourth proportional to 1,043,710,855.12, 1,566,700,687.75 and 422,353,876.11 is: 633,989,868.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043,710,855.12 : 1,566,700,687.75 = 422,353,876.11 : x
  2. Step 2: Convert to fraction form
    1,043,710,855.12/1,566,700,687.75 = 422,353,876.11/x
  3. Step 3: Cross multiply
    1,043,710,855.12x = 1,566,700,687.75 × 422,353,876.11
  4. Step 4: Simplify right side
    1,043,710,855.12x = 661,702,108,175,415,296
  5. Step 5: Solve for x
    x = 661,702,108,175,415,296/1,043,710,855.12
  6. Step 6: Final answer
    x = 633,989,868.87

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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.