Home / 631,105,291.80-946,210,040.10-242,778,072.60

Finding the Fourth Proportional to 631,105,291.80, 946,210,040.10 and 242,778,072.60

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Solution

The fourth proportional to 631,105,291.80, 946,210,040.10 and 242,778,072.60 is: 363,994,808.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,105,291.80 : 946,210,040.10 = 242,778,072.60 : x
  2. Step 2: Convert to fraction form
    631,105,291.80/946,210,040.10 = 242,778,072.60/x
  3. Step 3: Cross multiply
    631,105,291.80x = 946,210,040.10 × 242,778,072.60
  4. Step 4: Simplify right side
    631,105,291.80x = 229,719,049,810,246,720
  5. Step 5: Solve for x
    x = 229,719,049,810,246,720/631,105,291.80
  6. Step 6: Final answer
    x = 363,994,808.47

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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.