Home / 1,552,373,076.72-2,143,241,833.32-988,176,415.44

Finding the Fourth Proportional to 1,552,373,076.72, 2,143,241,833.32 and 988,176,415.44

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Solution

The fourth proportional to 1,552,373,076.72, 2,143,241,833.32 and 988,176,415.44 is: 1,364,298,997.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,552,373,076.72 : 2,143,241,833.32 = 988,176,415.44 : x
  2. Step 2: Convert to fraction form
    1,552,373,076.72/2,143,241,833.32 = 988,176,415.44/x
  3. Step 3: Cross multiply
    1,552,373,076.72x = 2,143,241,833.32 × 988,176,415.44
  4. Step 4: Simplify right side
    1,552,373,076.72x = 2,117,901,032,271,211,520
  5. Step 5: Solve for x
    x = 2,117,901,032,271,211,520/1,552,373,076.72
  6. Step 6: Final answer
    x = 1,364,298,997.47

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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.