Home / 7,872,188,546,617.50-11,795,388,005,657-4,192,559,190,655.80

Finding the Fourth Proportional to 7,872,188,546,617.50, 11,795,388,005,657 and 4,192,559,190,655.80

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Solution

The fourth proportional to 7,872,188,546,617.50, 11,795,388,005,657 and 4,192,559,190,655.80 is: 6,281,971,283,794.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,872,188,546,617.50 : 11,795,388,005,657 = 4,192,559,190,655.80 : x
  2. Step 2: Convert to fraction form
    7,872,188,546,617.50/11,795,388,005,657 = 4,192,559,190,655.80/x
  3. Step 3: Cross multiply
    7,872,188,546,617.50x = 11,795,388,005,657 × 4,192,559,190,655.80
  4. Step 4: Simplify right side
    7,872,188,546,617.50x = 49,452,862,390,468,436,838,842,368
  5. Step 5: Solve for x
    x = 49,452,862,390,468,436,838,842,368/7,872,188,546,617.50
  6. Step 6: Final answer
    x = 6,281,971,283,794.67

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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.