Home / 1,309,401,364.16-1,809,337,548.96-932,403,441.62

Finding the Fourth Proportional to 1,309,401,364.16, 1,809,337,548.96 and 932,403,441.62

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Solution

The fourth proportional to 1,309,401,364.16, 1,809,337,548.96 and 932,403,441.62 is: 1,288,399,877.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,401,364.16 : 1,809,337,548.96 = 932,403,441.62 : x
  2. Step 2: Convert to fraction form
    1,309,401,364.16/1,809,337,548.96 = 932,403,441.62/x
  3. Step 3: Cross multiply
    1,309,401,364.16x = 1,809,337,548.96 × 932,403,441.62
  4. Step 4: Simplify right side
    1,309,401,364.16x = 1,687,032,557,702,599,168
  5. Step 5: Solve for x
    x = 1,687,032,557,702,599,168/1,309,401,364.16
  6. Step 6: Final answer
    x = 1,288,399,877.90

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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.