Home / 631,105,244.80-946,209,969.60-242,778,025.60

Finding the Fourth Proportional to 631,105,244.80, 946,209,969.60 and 242,778,025.60

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Solution

The fourth proportional to 631,105,244.80, 946,209,969.60 and 242,778,025.60 is: 363,994,737.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,105,244.80 : 946,209,969.60 = 242,778,025.60 : x
  2. Step 2: Convert to fraction form
    631,105,244.80/946,209,969.60 = 242,778,025.60/x
  3. Step 3: Cross multiply
    631,105,244.80x = 946,209,969.60 × 242,778,025.60
  4. Step 4: Simplify right side
    631,105,244.80x = 229,718,988,222,524,032
  5. Step 5: Solve for x
    x = 229,718,988,222,524,032/631,105,244.80
  6. Step 6: Final answer
    x = 363,994,737.99

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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.