Home / 631,105,244.30-946,209,968.85-242,778,025.10

Finding the Fourth Proportional to 631,105,244.30, 946,209,968.85 and 242,778,025.10

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Solution

The fourth proportional to 631,105,244.30, 946,209,968.85 and 242,778,025.10 is: 363,994,737.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,105,244.30 : 946,209,968.85 = 242,778,025.10 : x
  2. Step 2: Convert to fraction form
    631,105,244.30/946,209,968.85 = 242,778,025.10/x
  3. Step 3: Cross multiply
    631,105,244.30x = 946,209,968.85 × 242,778,025.10
  4. Step 4: Simplify right side
    631,105,244.30x = 229,718,987,567,335,520
  5. Step 5: Solve for x
    x = 229,718,987,567,335,520/631,105,244.30
  6. Step 6: Final answer
    x = 363,994,737.24

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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.