Home / 416,577,140.40-624,865,710.60-349,056,577.20

Finding the Fourth Proportional to 416,577,140.40, 624,865,710.60 and 349,056,577.20

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Solution

The fourth proportional to 416,577,140.40, 624,865,710.60 and 349,056,577.20 is: 523,584,865.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,577,140.40 : 624,865,710.60 = 349,056,577.20 : x
  2. Step 2: Convert to fraction form
    416,577,140.40/624,865,710.60 = 349,056,577.20/x
  3. Step 3: Cross multiply
    416,577,140.40x = 624,865,710.60 × 349,056,577.20
  4. Step 4: Simplify right side
    416,577,140.40x = 218,113,486,151,681,760
  5. Step 5: Solve for x
    x = 218,113,486,151,681,760/416,577,140.40
  6. Step 6: Final answer
    x = 523,584,865.80

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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.