Home / 723,087,429.44-997,871,586.20-405,618,049.17

Finding the Fourth Proportional to 723,087,429.44, 997,871,586.20 and 405,618,049.17

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Solution

The fourth proportional to 723,087,429.44, 997,871,586.20 and 405,618,049.17 is: 559,759,041.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,087,429.44 : 997,871,586.20 = 405,618,049.17 : x
  2. Step 2: Convert to fraction form
    723,087,429.44/997,871,586.20 = 405,618,049.17/x
  3. Step 3: Cross multiply
    723,087,429.44x = 997,871,586.20 × 405,618,049.17
  4. Step 4: Simplify right side
    723,087,429.44x = 404,754,726,114,589,440
  5. Step 5: Solve for x
    x = 404,754,726,114,589,440/723,087,429.44
  6. Step 6: Final answer
    x = 559,759,041.08

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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.