Home / 1,071,212,396.54-1,478,139,245.08-594,837,997.11

Finding the Fourth Proportional to 1,071,212,396.54, 1,478,139,245.08 and 594,837,997.11

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Solution

The fourth proportional to 1,071,212,396.54, 1,478,139,245.08 and 594,837,997.11 is: 820,802,103.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,212,396.54 : 1,478,139,245.08 = 594,837,997.11 : x
  2. Step 2: Convert to fraction form
    1,071,212,396.54/1,478,139,245.08 = 594,837,997.11/x
  3. Step 3: Cross multiply
    1,071,212,396.54x = 1,478,139,245.08 × 594,837,997.11
  4. Step 4: Simplify right side
    1,071,212,396.54x = 879,253,387,991,587,584
  5. Step 5: Solve for x
    x = 879,253,387,991,587,584/1,071,212,396.54
  6. Step 6: Final answer
    x = 820,802,103.15

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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.