Home / 832,743,661.92-1,149,146,830.62-498,400,399.32

Finding the Fourth Proportional to 832,743,661.92, 1,149,146,830.62 and 498,400,399.32

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Solution

The fourth proportional to 832,743,661.92, 1,149,146,830.62 and 498,400,399.32 is: 687,768,956.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,743,661.92 : 1,149,146,830.62 = 498,400,399.32 : x
  2. Step 2: Convert to fraction form
    832,743,661.92/1,149,146,830.62 = 498,400,399.32/x
  3. Step 3: Cross multiply
    832,743,661.92x = 1,149,146,830.62 × 498,400,399.32
  4. Step 4: Simplify right side
    832,743,661.92x = 572,735,239,258,320,320
  5. Step 5: Solve for x
    x = 572,735,239,258,320,320/832,743,661.92
  6. Step 6: Final answer
    x = 687,768,956.34

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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.