Home / 1,991,933,018.16-2,987,378,009.28-592,540,247.52

Finding the Fourth Proportional to 1,991,933,018.16, 2,987,378,009.28 and 592,540,247.52

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Solution

The fourth proportional to 1,991,933,018.16, 2,987,378,009.28 and 592,540,247.52 is: 888,655,235.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,991,933,018.16 : 2,987,378,009.28 = 592,540,247.52 : x
  2. Step 2: Convert to fraction form
    1,991,933,018.16/2,987,378,009.28 = 592,540,247.52/x
  3. Step 3: Cross multiply
    1,991,933,018.16x = 2,987,378,009.28 × 592,540,247.52
  4. Step 4: Simplify right side
    1,991,933,018.16x = 1,770,141,705,054,576,128
  5. Step 5: Solve for x
    x = 1,770,141,705,054,576,128/1,991,933,018.16
  6. Step 6: Final answer
    x = 888,655,235.35

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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.