Home / 12,608,779,131.58-18,917,945,454.06-7,570,154,272.97

Finding the Fourth Proportional to 12,608,779,131.58, 18,917,945,454.06 and 7,570,154,272.97

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Solution

The fourth proportional to 12,608,779,131.58, 18,917,945,454.06 and 7,570,154,272.97 is: 11,358,099,314.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,608,779,131.58 : 18,917,945,454.06 = 7,570,154,272.97 : x
  2. Step 2: Convert to fraction form
    12,608,779,131.58/18,917,945,454.06 = 7,570,154,272.97/x
  3. Step 3: Cross multiply
    12,608,779,131.58x = 18,917,945,454.06 × 7,570,154,272.97
  4. Step 4: Simplify right side
    12,608,779,131.58x = 143,211,765,614,865,711,104
  5. Step 5: Solve for x
    x = 143,211,765,614,865,711,104/12,608,779,131.58
  6. Step 6: Final answer
    x = 11,358,099,314.80

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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.