Home / 13,357,639,074.52-18,435,242,529.66-8,077,279,089.88

Finding the Fourth Proportional to 13,357,639,074.52, 18,435,242,529.66 and 8,077,279,089.88

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Solution

The fourth proportional to 13,357,639,074.52, 18,435,242,529.66 and 8,077,279,089.88 is: 11,147,673,490.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,357,639,074.52 : 18,435,242,529.66 = 8,077,279,089.88 : x
  2. Step 2: Convert to fraction form
    13,357,639,074.52/18,435,242,529.66 = 8,077,279,089.88/x
  3. Step 3: Cross multiply
    13,357,639,074.52x = 18,435,242,529.66 × 8,077,279,089.88
  4. Step 4: Simplify right side
    13,357,639,074.52x = 148,906,599,001,689,194,496
  5. Step 5: Solve for x
    x = 148,906,599,001,689,194,496/13,357,639,074.52
  6. Step 6: Final answer
    x = 11,147,673,490.13

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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.