Home / 631,105,301.30-946,210,054.35-242,778,082.10

Finding the Fourth Proportional to 631,105,301.30, 946,210,054.35 and 242,778,082.10

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Solution

The fourth proportional to 631,105,301.30, 946,210,054.35 and 242,778,082.10 is: 363,994,822.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,105,301.30 : 946,210,054.35 = 242,778,082.10 : x
  2. Step 2: Convert to fraction form
    631,105,301.30/946,210,054.35 = 242,778,082.10/x
  3. Step 3: Cross multiply
    631,105,301.30x = 946,210,054.35 × 242,778,082.10
  4. Step 4: Simplify right side
    631,105,301.30x = 229,719,062,258,829,760
  5. Step 5: Solve for x
    x = 229,719,062,258,829,760/631,105,301.30
  6. Step 6: Final answer
    x = 363,994,822.71

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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.