Home / 857,395,255.68-1,284,901,405.92-447,634,036.80

Finding the Fourth Proportional to 857,395,255.68, 1,284,901,405.92 and 447,634,036.80

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Solution

The fourth proportional to 857,395,255.68, 1,284,901,405.92 and 447,634,036.80 is: 670,829,001.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,395,255.68 : 1,284,901,405.92 = 447,634,036.80 : x
  2. Step 2: Convert to fraction form
    857,395,255.68/1,284,901,405.92 = 447,634,036.80/x
  3. Step 3: Cross multiply
    857,395,255.68x = 1,284,901,405.92 × 447,634,036.80
  4. Step 4: Simplify right side
    857,395,255.68x = 575,165,603,221,965,056
  5. Step 5: Solve for x
    x = 575,165,603,221,965,056/857,395,255.68
  6. Step 6: Final answer
    x = 670,829,001.46

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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.