Home / 804,544,415.10-1,206,816,622.65-695,492,721.90

Finding the Fourth Proportional to 804,544,415.10, 1,206,816,622.65 and 695,492,721.90

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Solution

The fourth proportional to 804,544,415.10, 1,206,816,622.65 and 695,492,721.90 is: 1,043,239,082.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,544,415.10 : 1,206,816,622.65 = 695,492,721.90 : x
  2. Step 2: Convert to fraction form
    804,544,415.10/1,206,816,622.65 = 695,492,721.90/x
  3. Step 3: Cross multiply
    804,544,415.10x = 1,206,816,622.65 × 695,492,721.90
  4. Step 4: Simplify right side
    804,544,415.10x = 839,332,177,721,013,760
  5. Step 5: Solve for x
    x = 839,332,177,721,013,760/804,544,415.10
  6. Step 6: Final answer
    x = 1,043,239,082.85

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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.