Home / 976,723,228.80-1,465,084,843.20-666,786,837.60

Finding the Fourth Proportional to 976,723,228.80, 1,465,084,843.20 and 666,786,837.60

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Solution

The fourth proportional to 976,723,228.80, 1,465,084,843.20 and 666,786,837.60 is: 1,000,180,256.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,723,228.80 : 1,465,084,843.20 = 666,786,837.60 : x
  2. Step 2: Convert to fraction form
    976,723,228.80/1,465,084,843.20 = 666,786,837.60/x
  3. Step 3: Cross multiply
    976,723,228.80x = 1,465,084,843.20 × 666,786,837.60
  4. Step 4: Simplify right side
    976,723,228.80x = 976,899,289,413,019,904
  5. Step 5: Solve for x
    x = 976,899,289,413,019,904/976,723,228.80
  6. Step 6: Final answer
    x = 1,000,180,256.40

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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.