Home / 12,639,031,619.24-17,435,250,951.80-7,814,854,503.62

Finding the Fourth Proportional to 12,639,031,619.24, 17,435,250,951.80 and 7,814,854,503.62

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Solution

The fourth proportional to 12,639,031,619.24, 17,435,250,951.80 and 7,814,854,503.62 is: 10,780,410,519.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,639,031,619.24 : 17,435,250,951.80 = 7,814,854,503.62 : x
  2. Step 2: Convert to fraction form
    12,639,031,619.24/17,435,250,951.80 = 7,814,854,503.62/x
  3. Step 3: Cross multiply
    12,639,031,619.24x = 17,435,250,951.80 × 7,814,854,503.62
  4. Step 4: Simplify right side
    12,639,031,619.24x = 136,253,949,422,423,621,632
  5. Step 5: Solve for x
    x = 136,253,949,422,423,621,632/12,639,031,619.24
  6. Step 6: Final answer
    x = 10,780,410,519.35

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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.