Home / 1,451,341,977.79-2,002,794,240.93-856,817,975.56

Finding the Fourth Proportional to 1,451,341,977.79, 2,002,794,240.93 and 856,817,975.56

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Solution

The fourth proportional to 1,451,341,977.79, 2,002,794,240.93 and 856,817,975.56 is: 1,182,374,749.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,451,341,977.79 : 2,002,794,240.93 = 856,817,975.56 : x
  2. Step 2: Convert to fraction form
    1,451,341,977.79/2,002,794,240.93 = 856,817,975.56/x
  3. Step 3: Cross multiply
    1,451,341,977.79x = 2,002,794,240.93 × 856,817,975.56
  4. Step 4: Simplify right side
    1,451,341,977.79x = 1,716,030,106,976,869,376
  5. Step 5: Solve for x
    x = 1,716,030,106,976,869,376/1,451,341,977.79
  6. Step 6: Final answer
    x = 1,182,374,749.19

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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.