Home / 890,821,258.72-1,334,650,949.52-372,110,173.36

Finding the Fourth Proportional to 890,821,258.72, 1,334,650,949.52 and 372,110,173.36

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Solution

The fourth proportional to 890,821,258.72, 1,334,650,949.52 and 372,110,173.36 is: 557,504,876.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,821,258.72 : 1,334,650,949.52 = 372,110,173.36 : x
  2. Step 2: Convert to fraction form
    890,821,258.72/1,334,650,949.52 = 372,110,173.36/x
  3. Step 3: Cross multiply
    890,821,258.72x = 1,334,650,949.52 × 372,110,173.36
  4. Step 4: Simplify right side
    890,821,258.72x = 496,637,196,200,975,808
  5. Step 5: Solve for x
    x = 496,637,196,200,975,808/890,821,258.72
  6. Step 6: Final answer
    x = 557,504,876.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.