Home / 2,838,693,131.54-3,921,230,748.93-2,139,133,067.54

Finding the Fourth Proportional to 2,838,693,131.54, 3,921,230,748.93 and 2,139,133,067.54

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Solution

The fourth proportional to 2,838,693,131.54, 3,921,230,748.93 and 2,139,133,067.54 is: 2,954,892,963.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,838,693,131.54 : 3,921,230,748.93 = 2,139,133,067.54 : x
  2. Step 2: Convert to fraction form
    2,838,693,131.54/3,921,230,748.93 = 2,139,133,067.54/x
  3. Step 3: Cross multiply
    2,838,693,131.54x = 3,921,230,748.93 × 2,139,133,067.54
  4. Step 4: Simplify right side
    2,838,693,131.54x = 8,388,034,360,490,802,176
  5. Step 5: Solve for x
    x = 8,388,034,360,490,802,176/2,838,693,131.54
  6. Step 6: Final answer
    x = 2,954,892,963.70

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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.