Home / 49,720,671,720.56-74,634,099,521.04-21,404,618,428.48

Finding the Fourth Proportional to 49,720,671,720.56, 74,634,099,521.04 and 21,404,618,428.48

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Solution

The fourth proportional to 49,720,671,720.56, 74,634,099,521.04 and 21,404,618,428.48 is: 32,129,783,583.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,720,671,720.56 : 74,634,099,521.04 = 21,404,618,428.48 : x
  2. Step 2: Convert to fraction form
    49,720,671,720.56/74,634,099,521.04 = 21,404,618,428.48/x
  3. Step 3: Cross multiply
    49,720,671,720.56x = 74,634,099,521.04 × 21,404,618,428.48
  4. Step 4: Simplify right side
    49,720,671,720.56x = 1,597,514,422,001,062,903,808
  5. Step 5: Solve for x
    x = 1,597,514,422,001,062,903,808/49,720,671,720.56
  6. Step 6: Final answer
    x = 32,129,783,583.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.