Home / 23,118,910,904.72-31,904,072,261.16-12,558,123,243.92

Finding the Fourth Proportional to 23,118,910,904.72, 31,904,072,261.16 and 12,558,123,243.92

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Solution

The fourth proportional to 23,118,910,904.72, 31,904,072,261.16 and 12,558,123,243.92 is: 17,330,196,612.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,118,910,904.72 : 31,904,072,261.16 = 12,558,123,243.92 : x
  2. Step 2: Convert to fraction form
    23,118,910,904.72/31,904,072,261.16 = 12,558,123,243.92/x
  3. Step 3: Cross multiply
    23,118,910,904.72x = 31,904,072,261.16 × 12,558,123,243.92
  4. Step 4: Simplify right side
    23,118,910,904.72x = 400,655,271,438,576,713,728
  5. Step 5: Solve for x
    x = 400,655,271,438,576,713,728/23,118,910,904.72
  6. Step 6: Final answer
    x = 17,330,196,612.19

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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.