Home / 1,259,060,756.40-1,888,591,134.60-441,066,769.20

Finding the Fourth Proportional to 1,259,060,756.40, 1,888,591,134.60 and 441,066,769.20

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Solution

The fourth proportional to 1,259,060,756.40, 1,888,591,134.60 and 441,066,769.20 is: 661,600,153.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,060,756.40 : 1,888,591,134.60 = 441,066,769.20 : x
  2. Step 2: Convert to fraction form
    1,259,060,756.40/1,888,591,134.60 = 441,066,769.20/x
  3. Step 3: Cross multiply
    1,259,060,756.40x = 1,888,591,134.60 × 441,066,769.20
  4. Step 4: Simplify right side
    1,259,060,756.40x = 832,994,790,077,784,320
  5. Step 5: Solve for x
    x = 832,994,790,077,784,320/1,259,060,756.40
  6. Step 6: Final answer
    x = 661,600,153.80

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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.