Home / 1,259,004,909.10-1,888,507,363.65-800,973,625.90

Finding the Fourth Proportional to 1,259,004,909.10, 1,888,507,363.65 and 800,973,625.90

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Solution

The fourth proportional to 1,259,004,909.10, 1,888,507,363.65 and 800,973,625.90 is: 1,201,460,438.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,004,909.10 : 1,888,507,363.65 = 800,973,625.90 : x
  2. Step 2: Convert to fraction form
    1,259,004,909.10/1,888,507,363.65 = 800,973,625.90/x
  3. Step 3: Cross multiply
    1,259,004,909.10x = 1,888,507,363.65 × 800,973,625.90
  4. Step 4: Simplify right side
    1,259,004,909.10x = 1,512,644,590,601,590,272
  5. Step 5: Solve for x
    x = 1,512,644,590,601,590,272/1,259,004,909.10
  6. Step 6: Final answer
    x = 1,201,460,438.85

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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.