Home / 31,826,331,991.46-47,739,498,033.86-12,935,193,657.65

Finding the Fourth Proportional to 31,826,331,991.46, 47,739,498,033.86 and 12,935,193,657.65

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Solution

The fourth proportional to 31,826,331,991.46, 47,739,498,033.86 and 12,935,193,657.65 is: 19,402,790,505.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,826,331,991.46 : 47,739,498,033.86 = 12,935,193,657.65 : x
  2. Step 2: Convert to fraction form
    31,826,331,991.46/47,739,498,033.86 = 12,935,193,657.65/x
  3. Step 3: Cross multiply
    31,826,331,991.46x = 47,739,498,033.86 × 12,935,193,657.65
  4. Step 4: Simplify right side
    31,826,331,991.46x = 617,519,652,186,980,483,072
  5. Step 5: Solve for x
    x = 617,519,652,186,980,483,072/31,826,331,991.46
  6. Step 6: Final answer
    x = 19,402,790,505.44

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Double scale
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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.