Home / 8,120,154,991,312.50-12,185,242,449,474-3,762,930,814,501.20

Finding the Fourth Proportional to 8,120,154,991,312.50, 12,185,242,449,474 and 3,762,930,814,501.20

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Solution

The fourth proportional to 8,120,154,991,312.50, 12,185,242,449,474 and 3,762,930,814,501.20 is: 5,646,717,869,837.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,120,154,991,312.50 : 12,185,242,449,474 = 3,762,930,814,501.20 : x
  2. Step 2: Convert to fraction form
    8,120,154,991,312.50/12,185,242,449,474 = 3,762,930,814,501.20/x
  3. Step 3: Cross multiply
    8,120,154,991,312.50x = 12,185,242,449,474 × 3,762,930,814,501.20
  4. Step 4: Simplify right side
    8,120,154,991,312.50x = 45,852,224,295,293,799,087,734,784
  5. Step 5: Solve for x
    x = 45,852,224,295,293,799,087,734,784/8,120,154,991,312.50
  6. Step 6: Final answer
    x = 5,646,717,869,837.42

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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.