Home / 467,778,132,314.12-701,584,255,969.75-212,747,779,928.84

Finding the Fourth Proportional to 467,778,132,314.12, 701,584,255,969.75 and 212,747,779,928.84

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Solution

The fourth proportional to 467,778,132,314.12, 701,584,255,969.75 and 212,747,779,928.84 is: 319,083,947,238.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,778,132,314.12 : 701,584,255,969.75 = 212,747,779,928.84 : x
  2. Step 2: Convert to fraction form
    467,778,132,314.12/701,584,255,969.75 = 212,747,779,928.84/x
  3. Step 3: Cross multiply
    467,778,132,314.12x = 701,584,255,969.75 × 212,747,779,928.84
  4. Step 4: Simplify right side
    467,778,132,314.12x = 149,260,492,890,591,329,255,424
  5. Step 5: Solve for x
    x = 149,260,492,890,591,329,255,424/467,778,132,314.12
  6. Step 6: Final answer
    x = 319,083,947,238.39

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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.