Home / 414,474,977.91-571,768,981.93-247,093,296.50

Finding the Fourth Proportional to 414,474,977.91, 571,768,981.93 and 247,093,296.50

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Solution

The fourth proportional to 414,474,977.91, 571,768,981.93 and 247,093,296.50 is: 340,865,649.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,474,977.91 : 571,768,981.93 = 247,093,296.50 : x
  2. Step 2: Convert to fraction form
    414,474,977.91/571,768,981.93 = 247,093,296.50/x
  3. Step 3: Cross multiply
    414,474,977.91x = 571,768,981.93 × 247,093,296.50
  4. Step 4: Simplify right side
    414,474,977.91x = 141,280,282,578,982,656
  5. Step 5: Solve for x
    x = 141,280,282,578,982,656/414,474,977.91
  6. Step 6: Final answer
    x = 340,865,649.58

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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.