Home / 800,516,394.82-1,199,210,783.94-551,477,661.70

Finding the Fourth Proportional to 800,516,394.82, 1,199,210,783.94 and 551,477,661.70

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Solution

The fourth proportional to 800,516,394.82, 1,199,210,783.94 and 551,477,661.70 is: 826,139,181.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,516,394.82 : 1,199,210,783.94 = 551,477,661.70 : x
  2. Step 2: Convert to fraction form
    800,516,394.82/1,199,210,783.94 = 551,477,661.70/x
  3. Step 3: Cross multiply
    800,516,394.82x = 1,199,210,783.94 × 551,477,661.70
  4. Step 4: Simplify right side
    800,516,394.82x = 661,337,959,012,655,232
  5. Step 5: Solve for x
    x = 661,337,959,012,655,232/800,516,394.82
  6. Step 6: Final answer
    x = 826,139,181.27

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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.