Home / 871,404,556.47-1,307,106,036.07-273,146,711.10

Finding the Fourth Proportional to 871,404,556.47, 1,307,106,036.07 and 273,146,711.10

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Solution

The fourth proportional to 871,404,556.47, 1,307,106,036.07 and 273,146,711.10 is: 409,719,816.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,404,556.47 : 1,307,106,036.07 = 273,146,711.10 : x
  2. Step 2: Convert to fraction form
    871,404,556.47/1,307,106,036.07 = 273,146,711.10/x
  3. Step 3: Cross multiply
    871,404,556.47x = 1,307,106,036.07 × 273,146,711.10
  4. Step 4: Simplify right side
    871,404,556.47x = 357,031,714,811,478,464
  5. Step 5: Solve for x
    x = 357,031,714,811,478,464/871,404,556.47
  6. Step 6: Final answer
    x = 409,719,816.31

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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.