Home / 70,789,613,315.94-97,689,705,570.81-38,236,826,813.58

Finding the Fourth Proportional to 70,789,613,315.94, 97,689,705,570.81 and 38,236,826,813.58

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Solution

The fourth proportional to 70,789,613,315.94, 97,689,705,570.81 and 38,236,826,813.58 is: 52,766,842,173.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,789,613,315.94 : 97,689,705,570.81 = 38,236,826,813.58 : x
  2. Step 2: Convert to fraction form
    70,789,613,315.94/97,689,705,570.81 = 38,236,826,813.58/x
  3. Step 3: Cross multiply
    70,789,613,315.94x = 97,689,705,570.81 × 38,236,826,813.58
  4. Step 4: Simplify right side
    70,789,613,315.94x = 3,735,344,353,380,683,218,944
  5. Step 5: Solve for x
    x = 3,735,344,353,380,683,218,944/70,789,613,315.94
  6. Step 6: Final answer
    x = 52,766,842,173.72

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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.