Home / 558,216,412.13-770,324,569.21-307,318,299.16

Finding the Fourth Proportional to 558,216,412.13, 770,324,569.21 and 307,318,299.16

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Solution

The fourth proportional to 558,216,412.13, 770,324,569.21 and 307,318,299.16 is: 424,091,501.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,216,412.13 : 770,324,569.21 = 307,318,299.16 : x
  2. Step 2: Convert to fraction form
    558,216,412.13/770,324,569.21 = 307,318,299.16/x
  3. Step 3: Cross multiply
    558,216,412.13x = 770,324,569.21 × 307,318,299.16
  4. Step 4: Simplify right side
    558,216,412.13x = 236,734,836,408,082,816
  5. Step 5: Solve for x
    x = 236,734,836,408,082,816/558,216,412.13
  6. Step 6: Final answer
    x = 424,091,501.55

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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.