Home / 86,409,508,502.40-129,410,419,579.20-53,386,914,249.60

Finding the Fourth Proportional to 86,409,508,502.40, 129,410,419,579.20 and 53,386,914,249.60

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Solution

The fourth proportional to 86,409,508,502.40, 129,410,419,579.20 and 53,386,914,249.60 is: 79,954,429,701.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,409,508,502.40 : 129,410,419,579.20 = 53,386,914,249.60 : x
  2. Step 2: Convert to fraction form
    86,409,508,502.40/129,410,419,579.20 = 53,386,914,249.60/x
  3. Step 3: Cross multiply
    86,409,508,502.40x = 129,410,419,579.20 × 53,386,914,249.60
  4. Step 4: Simplify right side
    86,409,508,502.40x = 6,908,822,973,079,507,435,520
  5. Step 5: Solve for x
    x = 6,908,822,973,079,507,435,520/86,409,508,502.40
  6. Step 6: Final answer
    x = 79,954,429,701.31

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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.