Home / 20,820,384,089.65-31,234,534,798.88-6,850,033,142.77

Finding the Fourth Proportional to 20,820,384,089.65, 31,234,534,798.88 and 6,850,033,142.77

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Solution

The fourth proportional to 20,820,384,089.65, 31,234,534,798.88 and 6,850,033,142.77 is: 10,276,352,138.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,820,384,089.65 : 31,234,534,798.88 = 6,850,033,142.77 : x
  2. Step 2: Convert to fraction form
    20,820,384,089.65/31,234,534,798.88 = 6,850,033,142.77/x
  3. Step 3: Cross multiply
    20,820,384,089.65x = 31,234,534,798.88 × 6,850,033,142.77
  4. Step 4: Simplify right side
    20,820,384,089.65x = 213,957,598,571,330,928,640
  5. Step 5: Solve for x
    x = 213,957,598,571,330,928,640/20,820,384,089.65
  6. Step 6: Final answer
    x = 10,276,352,138.85

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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.