Home / 100,777,139,712.80-151,165,709,569.20-30,974,986,138.40

Finding the Fourth Proportional to 100,777,139,712.80, 151,165,709,569.20 and 30,974,986,138.40

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Solution

The fourth proportional to 100,777,139,712.80, 151,165,709,569.20 and 30,974,986,138.40 is: 46,462,479,207.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,777,139,712.80 : 151,165,709,569.20 = 30,974,986,138.40 : x
  2. Step 2: Convert to fraction form
    100,777,139,712.80/151,165,709,569.20 = 30,974,986,138.40/x
  3. Step 3: Cross multiply
    100,777,139,712.80x = 151,165,709,569.20 × 30,974,986,138.40
  4. Step 4: Simplify right side
    100,777,139,712.80x = 4,682,355,758,507,370,741,760
  5. Step 5: Solve for x
    x = 4,682,355,758,507,370,741,760/100,777,139,712.80
  6. Step 6: Final answer
    x = 46,462,479,207.60

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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.