Home / 12,457,128,964.48-18,685,741,924.62-3,013,757,645.80

Finding the Fourth Proportional to 12,457,128,964.48, 18,685,741,924.62 and 3,013,757,645.80

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Solution

The fourth proportional to 12,457,128,964.48, 18,685,741,924.62 and 3,013,757,645.80 is: 4,520,648,196.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,457,128,964.48 : 18,685,741,924.62 = 3,013,757,645.80 : x
  2. Step 2: Convert to fraction form
    12,457,128,964.48/18,685,741,924.62 = 3,013,757,645.80/x
  3. Step 3: Cross multiply
    12,457,128,964.48x = 18,685,741,924.62 × 3,013,757,645.80
  4. Step 4: Simplify right side
    12,457,128,964.48x = 56,314,297,592,769,134,592
  5. Step 5: Solve for x
    x = 56,314,297,592,769,134,592/12,457,128,964.48
  6. Step 6: Final answer
    x = 4,520,648,196.98

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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.