Home / 871,404,556.88-1,307,106,036.68-273,146,711.51

Finding the Fourth Proportional to 871,404,556.88, 1,307,106,036.68 and 273,146,711.51

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Solution

The fourth proportional to 871,404,556.88, 1,307,106,036.68 and 273,146,711.51 is: 409,719,816.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,404,556.88 : 1,307,106,036.68 = 273,146,711.51 : x
  2. Step 2: Convert to fraction form
    871,404,556.88/1,307,106,036.68 = 273,146,711.51/x
  3. Step 3: Cross multiply
    871,404,556.88x = 1,307,106,036.68 × 273,146,711.51
  4. Step 4: Simplify right side
    871,404,556.88x = 357,031,715,506,110,144
  5. Step 5: Solve for x
    x = 357,031,715,506,110,144/871,404,556.88
  6. Step 6: Final answer
    x = 409,719,816.92

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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.