Home / 776,270,983.78-1,071,245,832.96-423,845,882.20

Finding the Fourth Proportional to 776,270,983.78, 1,071,245,832.96 and 423,845,882.20

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Solution

The fourth proportional to 776,270,983.78, 1,071,245,832.96 and 423,845,882.20 is: 584,902,881.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,270,983.78 : 1,071,245,832.96 = 423,845,882.20 : x
  2. Step 2: Convert to fraction form
    776,270,983.78/1,071,245,832.96 = 423,845,882.20/x
  3. Step 3: Cross multiply
    776,270,983.78x = 1,071,245,832.96 × 423,845,882.20
  4. Step 4: Simplify right side
    776,270,983.78x = 454,043,135,124,005,056
  5. Step 5: Solve for x
    x = 454,043,135,124,005,056/776,270,983.78
  6. Step 6: Final answer
    x = 584,902,881.35

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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.