Home / 384,988,936.80-577,483,405.20-190,930,303.20

Finding the Fourth Proportional to 384,988,936.80, 577,483,405.20 and 190,930,303.20

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Solution

The fourth proportional to 384,988,936.80, 577,483,405.20 and 190,930,303.20 is: 286,395,454.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,988,936.80 : 577,483,405.20 = 190,930,303.20 : x
  2. Step 2: Convert to fraction form
    384,988,936.80/577,483,405.20 = 190,930,303.20/x
  3. Step 3: Cross multiply
    384,988,936.80x = 577,483,405.20 × 190,930,303.20
  4. Step 4: Simplify right side
    384,988,936.80x = 110,259,081,647,804,464
  5. Step 5: Solve for x
    x = 110,259,081,647,804,464/384,988,936.80
  6. Step 6: Final answer
    x = 286,395,454.80

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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.