Home / 787,201,002.87-1,086,330,232.13-429,968,705.22

Finding the Fourth Proportional to 787,201,002.87, 1,086,330,232.13 and 429,968,705.22

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Solution

The fourth proportional to 787,201,002.87, 1,086,330,232.13 and 429,968,705.22 is: 593,352,906.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,201,002.87 : 1,086,330,232.13 = 429,968,705.22 : x
  2. Step 2: Convert to fraction form
    787,201,002.87/1,086,330,232.13 = 429,968,705.22/x
  3. Step 3: Cross multiply
    787,201,002.87x = 1,086,330,232.13 × 429,968,705.22
  4. Step 4: Simplify right side
    787,201,002.87x = 467,088,003,348,128,320
  5. Step 5: Solve for x
    x = 467,088,003,348,128,320/787,201,002.87
  6. Step 6: Final answer
    x = 593,352,906.88

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Double scale
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1.5x scale

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.