Home / 1,345,094,649.78-2,017,570,197.33-362,505,424.20

Finding the Fourth Proportional to 1,345,094,649.78, 2,017,570,197.33 and 362,505,424.20

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Solution

The fourth proportional to 1,345,094,649.78, 2,017,570,197.33 and 362,505,424.20 is: 543,738,792.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,094,649.78 : 2,017,570,197.33 = 362,505,424.20 : x
  2. Step 2: Convert to fraction form
    1,345,094,649.78/2,017,570,197.33 = 362,505,424.20/x
  3. Step 3: Cross multiply
    1,345,094,649.78x = 2,017,570,197.33 × 362,505,424.20
  4. Step 4: Simplify right side
    1,345,094,649.78x = 731,380,140,236,389,248
  5. Step 5: Solve for x
    x = 731,380,140,236,389,248/1,345,094,649.78
  6. Step 6: Final answer
    x = 543,738,792.18

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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.