Home / 8,986,385,011.32-13,481,415,970.74-3,090,178,500.30

Finding the Fourth Proportional to 8,986,385,011.32, 13,481,415,970.74 and 3,090,178,500.30

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Solution

The fourth proportional to 8,986,385,011.32, 13,481,415,970.74 and 3,090,178,500.30 is: 4,635,899,945.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,986,385,011.32 : 13,481,415,970.74 = 3,090,178,500.30 : x
  2. Step 2: Convert to fraction form
    8,986,385,011.32/13,481,415,970.74 = 3,090,178,500.30/x
  3. Step 3: Cross multiply
    8,986,385,011.32x = 13,481,415,970.74 × 3,090,178,500.30
  4. Step 4: Simplify right side
    8,986,385,011.32x = 41,659,981,786,381,803,520
  5. Step 5: Solve for x
    x = 41,659,981,786,381,803,520/8,986,385,011.32
  6. Step 6: Final answer
    x = 4,635,899,945.74

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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.