Home / 936,151,078.50-1,291,892,804.01-518,454,607.14

Finding the Fourth Proportional to 936,151,078.50, 1,291,892,804.01 and 518,454,607.14

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Solution

The fourth proportional to 936,151,078.50, 1,291,892,804.01 and 518,454,607.14 is: 715,469,747.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,151,078.50 : 1,291,892,804.01 = 518,454,607.14 : x
  2. Step 2: Convert to fraction form
    936,151,078.50/1,291,892,804.01 = 518,454,607.14/x
  3. Step 3: Cross multiply
    936,151,078.50x = 1,291,892,804.01 × 518,454,607.14
  4. Step 4: Simplify right side
    936,151,078.50x = 669,787,776,169,997,568
  5. Step 5: Solve for x
    x = 669,787,776,169,997,568/936,151,078.50
  6. Step 6: Final answer
    x = 715,469,747.94

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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.