Home / 6,838,707,705.48-9,437,513,015.72-3,940,257,519.65

Finding the Fourth Proportional to 6,838,707,705.48, 9,437,513,015.72 and 3,940,257,519.65

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Solution

The fourth proportional to 6,838,707,705.48, 9,437,513,015.72 and 3,940,257,519.65 is: 5,437,610,909.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,838,707,705.48 : 9,437,513,015.72 = 3,940,257,519.65 : x
  2. Step 2: Convert to fraction form
    6,838,707,705.48/9,437,513,015.72 = 3,940,257,519.65/x
  3. Step 3: Cross multiply
    6,838,707,705.48x = 9,437,513,015.72 × 3,940,257,519.65
  4. Step 4: Simplify right side
    6,838,707,705.48x = 37,186,231,626,918,592,512
  5. Step 5: Solve for x
    x = 37,186,231,626,918,592,512/6,838,707,705.48
  6. Step 6: Final answer
    x = 5,437,610,909.61

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Double scale
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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.