Home / 287,649,682,438.58-431,570,347,391.78-96,440,640,598.14

Finding the Fourth Proportional to 287,649,682,438.58, 431,570,347,391.78 and 96,440,640,598.14

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Solution

The fourth proportional to 287,649,682,438.58, 431,570,347,391.78 and 96,440,640,598.14 is: 144,693,087,830.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,649,682,438.58 : 431,570,347,391.78 = 96,440,640,598.14 : x
  2. Step 2: Convert to fraction form
    287,649,682,438.58/431,570,347,391.78 = 96,440,640,598.14/x
  3. Step 3: Cross multiply
    287,649,682,438.58x = 431,570,347,391.78 × 96,440,640,598.14
  4. Step 4: Simplify right side
    287,649,682,438.58x = 41,620,920,765,625,086,771,200
  5. Step 5: Solve for x
    x = 41,620,920,765,625,086,771,200/287,649,682,438.58
  6. Step 6: Final answer
    x = 144,693,087,830.93

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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.