Home / 31,713,145,828.92-43,751,754,846.90-18,157,538,326.68

Finding the Fourth Proportional to 31,713,145,828.92, 43,751,754,846.90 and 18,157,538,326.68

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Solution

The fourth proportional to 31,713,145,828.92, 43,751,754,846.90 and 18,157,538,326.68 is: 25,050,310,990.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,713,145,828.92 : 43,751,754,846.90 = 18,157,538,326.68 : x
  2. Step 2: Convert to fraction form
    31,713,145,828.92/43,751,754,846.90 = 18,157,538,326.68/x
  3. Step 3: Cross multiply
    31,713,145,828.92x = 43,751,754,846.90 × 18,157,538,326.68
  4. Step 4: Simplify right side
    31,713,145,828.92x = 794,424,165,492,094,271,488
  5. Step 5: Solve for x
    x = 794,424,165,492,094,271,488/31,713,145,828.92
  6. Step 6: Final answer
    x = 25,050,310,990.20

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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.