Home / 384,988,991.80-577,483,487.70-190,930,358.20

Finding the Fourth Proportional to 384,988,991.80, 577,483,487.70 and 190,930,358.20

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Solution

The fourth proportional to 384,988,991.80, 577,483,487.70 and 190,930,358.20 is: 286,395,537.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,988,991.80 : 577,483,487.70 = 190,930,358.20 : x
  2. Step 2: Convert to fraction form
    384,988,991.80/577,483,487.70 = 190,930,358.20/x
  3. Step 3: Cross multiply
    384,988,991.80x = 577,483,487.70 × 190,930,358.20
  4. Step 4: Simplify right side
    384,988,991.80x = 110,259,129,161,146,304
  5. Step 5: Solve for x
    x = 110,259,129,161,146,304/384,988,991.80
  6. Step 6: Final answer
    x = 286,395,537.30

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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.