Home / 31,384,455,157.76-43,309,300,632.48-18,528,236,336.76

Finding the Fourth Proportional to 31,384,455,157.76, 43,309,300,632.48 and 18,528,236,336.76

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Solution

The fourth proportional to 31,384,455,157.76, 43,309,300,632.48 and 18,528,236,336.76 is: 25,568,229,675.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,384,455,157.76 : 43,309,300,632.48 = 18,528,236,336.76 : x
  2. Step 2: Convert to fraction form
    31,384,455,157.76/43,309,300,632.48 = 18,528,236,336.76/x
  3. Step 3: Cross multiply
    31,384,455,157.76x = 43,309,300,632.48 × 18,528,236,336.76
  4. Step 4: Simplify right side
    31,384,455,157.76x = 802,444,957,698,378,825,728
  5. Step 5: Solve for x
    x = 802,444,957,698,378,825,728/31,384,455,157.76
  6. Step 6: Final answer
    x = 25,568,229,675.00

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Find fourth proportional to 31,384,455,158.76, 43,309,300,633.86 and 18,528,236,337.76
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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.