Home / 631,105,280.80-946,210,023.60-242,778,061.60

Finding the Fourth Proportional to 631,105,280.80, 946,210,023.60 and 242,778,061.60

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Solution

The fourth proportional to 631,105,280.80, 946,210,023.60 and 242,778,061.60 is: 363,994,791.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,105,280.80 : 946,210,023.60 = 242,778,061.60 : x
  2. Step 2: Convert to fraction form
    631,105,280.80/946,210,023.60 = 242,778,061.60/x
  3. Step 3: Cross multiply
    631,105,280.80x = 946,210,023.60 × 242,778,061.60
  4. Step 4: Simplify right side
    631,105,280.80x = 229,719,035,396,098,240
  5. Step 5: Solve for x
    x = 229,719,035,396,098,240/631,105,280.80
  6. Step 6: Final answer
    x = 363,994,791.97

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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.