Home / 419,323,322.60-628,984,983.90-416,772,405.80

Finding the Fourth Proportional to 419,323,322.60, 628,984,983.90 and 416,772,405.80

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Solution

The fourth proportional to 419,323,322.60, 628,984,983.90 and 416,772,405.80 is: 625,158,608.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,323,322.60 : 628,984,983.90 = 416,772,405.80 : x
  2. Step 2: Convert to fraction form
    419,323,322.60/628,984,983.90 = 416,772,405.80/x
  3. Step 3: Cross multiply
    419,323,322.60x = 628,984,983.90 × 416,772,405.80
  4. Step 4: Simplify right side
    419,323,322.60x = 262,143,584,952,077,280
  5. Step 5: Solve for x
    x = 262,143,584,952,077,280/419,323,322.60
  6. Step 6: Final answer
    x = 625,158,608.70

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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.