Home / 408,925,197.80-613,387,796.70-245,666,522.60

Finding the Fourth Proportional to 408,925,197.80, 613,387,796.70 and 245,666,522.60

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Solution

The fourth proportional to 408,925,197.80, 613,387,796.70 and 245,666,522.60 is: 368,499,783.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,925,197.80 : 613,387,796.70 = 245,666,522.60 : x
  2. Step 2: Convert to fraction form
    408,925,197.80/613,387,796.70 = 245,666,522.60/x
  3. Step 3: Cross multiply
    408,925,197.80x = 613,387,796.70 × 245,666,522.60
  4. Step 4: Simplify right side
    408,925,197.80x = 150,688,847,020,564,768
  5. Step 5: Solve for x
    x = 150,688,847,020,564,768/408,925,197.80
  6. Step 6: Final answer
    x = 368,499,783.90

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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.