Home / 18,615,976,539.10-27,923,780,790.12-8,528,828,218.91

Finding the Fourth Proportional to 18,615,976,539.10, 27,923,780,790.12 and 8,528,828,218.91

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Solution

The fourth proportional to 18,615,976,539.10, 27,923,780,790.12 and 8,528,828,218.91 is: 12,793,158,021.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,615,976,539.10 : 27,923,780,790.12 = 8,528,828,218.91 : x
  2. Step 2: Convert to fraction form
    18,615,976,539.10/27,923,780,790.12 = 8,528,828,218.91/x
  3. Step 3: Cross multiply
    18,615,976,539.10x = 27,923,780,790.12 × 8,528,828,218.91
  4. Step 4: Simplify right side
    18,615,976,539.10x = 238,157,129,581,493,256,192
  5. Step 5: Solve for x
    x = 238,157,129,581,493,256,192/18,615,976,539.10
  6. Step 6: Final answer
    x = 12,793,158,021.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.