Home / 70,789,613,272.29-97,689,705,510.78-38,236,826,770.38

Finding the Fourth Proportional to 70,789,613,272.29, 97,689,705,510.78 and 38,236,826,770.38

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Solution

The fourth proportional to 70,789,613,272.29, 97,689,705,510.78 and 38,236,826,770.38 is: 52,766,842,114.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,789,613,272.29 : 97,689,705,510.78 = 38,236,826,770.38 : x
  2. Step 2: Convert to fraction form
    70,789,613,272.29/97,689,705,510.78 = 38,236,826,770.38/x
  3. Step 3: Cross multiply
    70,789,613,272.29x = 97,689,705,510.78 × 38,236,826,770.38
  4. Step 4: Simplify right side
    70,789,613,272.29x = 3,735,344,346,865,130,799,104
  5. Step 5: Solve for x
    x = 3,735,344,346,865,130,799,104/70,789,613,272.29
  6. Step 6: Final answer
    x = 52,766,842,114.21

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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.