Home / 539,135,982.80-808,703,974.20-194,142,856.40

Finding the Fourth Proportional to 539,135,982.80, 808,703,974.20 and 194,142,856.40

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Solution

The fourth proportional to 539,135,982.80, 808,703,974.20 and 194,142,856.40 is: 291,214,284.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,135,982.80 : 808,703,974.20 = 194,142,856.40 : x
  2. Step 2: Convert to fraction form
    539,135,982.80/808,703,974.20 = 194,142,856.40/x
  3. Step 3: Cross multiply
    539,135,982.80x = 808,703,974.20 × 194,142,856.40
  4. Step 4: Simplify right side
    539,135,982.80x = 157,004,099,533,219,904
  5. Step 5: Solve for x
    x = 157,004,099,533,219,904/539,135,982.80
  6. Step 6: Final answer
    x = 291,214,284.60

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1.5x scale

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.