Home / 5,149,520,448.12-7,725,432,105.81-1,877,969,652.12

Finding the Fourth Proportional to 5,149,520,448.12, 7,725,432,105.81 and 1,877,969,652.12

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Solution

The fourth proportional to 5,149,520,448.12, 7,725,432,105.81 and 1,877,969,652.12 is: 2,817,374,392.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,149,520,448.12 : 7,725,432,105.81 = 1,877,969,652.12 : x
  2. Step 2: Convert to fraction form
    5,149,520,448.12/7,725,432,105.81 = 1,877,969,652.12/x
  3. Step 3: Cross multiply
    5,149,520,448.12x = 7,725,432,105.81 × 1,877,969,652.12
  4. Step 4: Simplify right side
    5,149,520,448.12x = 14,508,127,044,224,684,032
  5. Step 5: Solve for x
    x = 14,508,127,044,224,684,032/5,149,520,448.12
  6. Step 6: Final answer
    x = 2,817,374,392.51

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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.