Home / 576,919,885.08-796,152,213.63-312,601,808.82

Finding the Fourth Proportional to 576,919,885.08, 796,152,213.63 and 312,601,808.82

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Solution

The fourth proportional to 576,919,885.08, 796,152,213.63 and 312,601,808.82 is: 431,391,998.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,919,885.08 : 796,152,213.63 = 312,601,808.82 : x
  2. Step 2: Convert to fraction form
    576,919,885.08/796,152,213.63 = 312,601,808.82/x
  3. Step 3: Cross multiply
    576,919,885.08x = 796,152,213.63 × 312,601,808.82
  4. Step 4: Simplify right side
    576,919,885.08x = 248,878,622,076,785,056
  5. Step 5: Solve for x
    x = 248,878,622,076,785,056/576,919,885.08
  6. Step 6: Final answer
    x = 431,391,998.29

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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.