Home / 1,451,341,975.79-2,002,794,238.17-856,817,973.56

Finding the Fourth Proportional to 1,451,341,975.79, 2,002,794,238.17 and 856,817,973.56

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Solution

The fourth proportional to 1,451,341,975.79, 2,002,794,238.17 and 856,817,973.56 is: 1,182,374,746.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,451,341,975.79 : 2,002,794,238.17 = 856,817,973.56 : x
  2. Step 2: Convert to fraction form
    1,451,341,975.79/2,002,794,238.17 = 856,817,973.56/x
  3. Step 3: Cross multiply
    1,451,341,975.79x = 2,002,794,238.17 × 856,817,973.56
  4. Step 4: Simplify right side
    1,451,341,975.79x = 1,716,030,100,596,449,280
  5. Step 5: Solve for x
    x = 1,716,030,100,596,449,280/1,451,341,975.79
  6. Step 6: Final answer
    x = 1,182,374,746.43

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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.