Home / 723,282,183.40-998,117,652.90-393,265,633

Finding the Fourth Proportional to 723,282,183.40, 998,117,652.90 and 393,265,633

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Solution

The fourth proportional to 723,282,183.40, 998,117,652.90 and 393,265,633 is: 542,700,179.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,282,183.40 : 998,117,652.90 = 393,265,633 : x
  2. Step 2: Convert to fraction form
    723,282,183.40/998,117,652.90 = 393,265,633/x
  3. Step 3: Cross multiply
    723,282,183.40x = 998,117,652.90 × 393,265,633
  4. Step 4: Simplify right side
    723,282,183.40x = 392,525,370,576,192,768
  5. Step 5: Solve for x
    x = 392,525,370,576,192,768/723,282,183.40
  6. Step 6: Final answer
    x = 542,700,179.25

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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.