Home / 1,401,573,813.28-1,934,184,394.56-775,084,393.60

Finding the Fourth Proportional to 1,401,573,813.28, 1,934,184,394.56 and 775,084,393.60

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Solution

The fourth proportional to 1,401,573,813.28, 1,934,184,394.56 and 775,084,393.60 is: 1,069,623,393.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,401,573,813.28 : 1,934,184,394.56 = 775,084,393.60 : x
  2. Step 2: Convert to fraction form
    1,401,573,813.28/1,934,184,394.56 = 775,084,393.60/x
  3. Step 3: Cross multiply
    1,401,573,813.28x = 1,934,184,394.56 × 775,084,393.60
  4. Step 4: Simplify right side
    1,401,573,813.28x = 1,499,156,138,568,120,832
  5. Step 5: Solve for x
    x = 1,499,156,138,568,120,832/1,401,573,813.28
  6. Step 6: Final answer
    x = 1,069,623,393.62

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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.