Home / 12,817,281,847.60-19,210,617,270.60-5,355,850,207.60

Finding the Fourth Proportional to 12,817,281,847.60, 19,210,617,270.60 and 5,355,850,207.60

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Solution

The fourth proportional to 12,817,281,847.60, 19,210,617,270.60 and 5,355,850,207.60 is: 8,027,379,729.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,817,281,847.60 : 19,210,617,270.60 = 5,355,850,207.60 : x
  2. Step 2: Convert to fraction form
    12,817,281,847.60/19,210,617,270.60 = 5,355,850,207.60/x
  3. Step 3: Cross multiply
    12,817,281,847.60x = 19,210,617,270.60 × 5,355,850,207.60
  4. Step 4: Simplify right side
    12,817,281,847.60x = 102,889,188,496,867,147,776
  5. Step 5: Solve for x
    x = 102,889,188,496,867,147,776/12,817,281,847.60
  6. Step 6: Final answer
    x = 8,027,379,729.98

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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.