Home / 25,267,997,288.56-34,870,925,873.76-13,990,429,988.02

Finding the Fourth Proportional to 25,267,997,288.56, 34,870,925,873.76 and 13,990,429,988.02

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Solution

The fourth proportional to 25,267,997,288.56, 34,870,925,873.76 and 13,990,429,988.02 is: 19,307,396,683.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,267,997,288.56 : 34,870,925,873.76 = 13,990,429,988.02 : x
  2. Step 2: Convert to fraction form
    25,267,997,288.56/34,870,925,873.76 = 13,990,429,988.02/x
  3. Step 3: Cross multiply
    25,267,997,288.56x = 34,870,925,873.76 × 13,990,429,988.02
  4. Step 4: Simplify right side
    25,267,997,288.56x = 487,859,247,054,274,494,464
  5. Step 5: Solve for x
    x = 487,859,247,054,274,494,464/25,267,997,288.56
  6. Step 6: Final answer
    x = 19,307,396,683.76

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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.