Home / 6,541,668,015.30-9,812,502,022.95-3,929,529,212.10

Finding the Fourth Proportional to 6,541,668,015.30, 9,812,502,022.95 and 3,929,529,212.10

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Solution

The fourth proportional to 6,541,668,015.30, 9,812,502,022.95 and 3,929,529,212.10 is: 5,894,293,818.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,541,668,015.30 : 9,812,502,022.95 = 3,929,529,212.10 : x
  2. Step 2: Convert to fraction form
    6,541,668,015.30/9,812,502,022.95 = 3,929,529,212.10/x
  3. Step 3: Cross multiply
    6,541,668,015.30x = 9,812,502,022.95 × 3,929,529,212.10
  4. Step 4: Simplify right side
    6,541,668,015.30x = 38,558,513,342,972,370,944
  5. Step 5: Solve for x
    x = 38,558,513,342,972,370,944/6,541,668,015.30
  6. Step 6: Final answer
    x = 5,894,293,818.15

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Double scale
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Similar ratio
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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.