Home / 25,968,691,078.67-38,978,225,577.69-12,532,430,641.96

Finding the Fourth Proportional to 25,968,691,078.67, 38,978,225,577.69 and 12,532,430,641.96

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Solution

The fourth proportional to 25,968,691,078.67, 38,978,225,577.69 and 12,532,430,641.96 is: 18,810,802,097.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,968,691,078.67 : 38,978,225,577.69 = 12,532,430,641.96 : x
  2. Step 2: Convert to fraction form
    25,968,691,078.67/38,978,225,577.69 = 12,532,430,641.96/x
  3. Step 3: Cross multiply
    25,968,691,078.67x = 38,978,225,577.69 × 12,532,430,641.96
  4. Step 4: Simplify right side
    25,968,691,078.67x = 488,491,908,599,071,178,752
  5. Step 5: Solve for x
    x = 488,491,908,599,071,178,752/25,968,691,078.67
  6. Step 6: Final answer
    x = 18,810,802,097.00

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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.