Home / 7,827,688,279.41-11,743,370,872.67-2,587,295,928.59

Finding the Fourth Proportional to 7,827,688,279.41, 11,743,370,872.67 and 2,587,295,928.59

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Solution

The fourth proportional to 7,827,688,279.41, 11,743,370,872.67 and 2,587,295,928.59 is: 3,881,551,559.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,827,688,279.41 : 11,743,370,872.67 = 2,587,295,928.59 : x
  2. Step 2: Convert to fraction form
    7,827,688,279.41/11,743,370,872.67 = 2,587,295,928.59/x
  3. Step 3: Cross multiply
    7,827,688,279.41x = 11,743,370,872.67 × 2,587,295,928.59
  4. Step 4: Simplify right side
    7,827,688,279.41x = 30,383,575,646,825,394,176
  5. Step 5: Solve for x
    x = 30,383,575,646,825,394,176/7,827,688,279.41
  6. Step 6: Final answer
    x = 3,881,551,559.32

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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.