Home / 1,180,512,010.60-1,770,768,015.90-362,664,989.80

Finding the Fourth Proportional to 1,180,512,010.60, 1,770,768,015.90 and 362,664,989.80

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Solution

The fourth proportional to 1,180,512,010.60, 1,770,768,015.90 and 362,664,989.80 is: 543,997,484.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,512,010.60 : 1,770,768,015.90 = 362,664,989.80 : x
  2. Step 2: Convert to fraction form
    1,180,512,010.60/1,770,768,015.90 = 362,664,989.80/x
  3. Step 3: Cross multiply
    1,180,512,010.60x = 1,770,768,015.90 × 362,664,989.80
  4. Step 4: Simplify right side
    1,180,512,010.60x = 642,195,564,424,539,776
  5. Step 5: Solve for x
    x = 642,195,564,424,539,776/1,180,512,010.60
  6. Step 6: Final answer
    x = 543,997,484.70

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1.5x scale

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.