Home / 931,211,530.88-1,395,667,100.05-799,125,357.91

Finding the Fourth Proportional to 931,211,530.88, 1,395,667,100.05 and 799,125,357.91

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Solution

The fourth proportional to 931,211,530.88, 1,395,667,100.05 and 799,125,357.91 is: 1,197,700,988.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,211,530.88 : 1,395,667,100.05 = 799,125,357.91 : x
  2. Step 2: Convert to fraction form
    931,211,530.88/1,395,667,100.05 = 799,125,357.91/x
  3. Step 3: Cross multiply
    931,211,530.88x = 1,395,667,100.05 × 799,125,357.91
  4. Step 4: Simplify right side
    931,211,530.88x = 1,115,312,970,850,667,904
  5. Step 5: Solve for x
    x = 1,115,312,970,850,667,904/931,211,530.88
  6. Step 6: Final answer
    x = 1,197,700,988.30

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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.