Home / 330,241,399.43-455,358,710.93-211,006,464.26

Finding the Fourth Proportional to 330,241,399.43, 455,358,710.93 and 211,006,464.26

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Solution

The fourth proportional to 330,241,399.43, 455,358,710.93 and 211,006,464.26 is: 290,949,686.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,241,399.43 : 455,358,710.93 = 211,006,464.26 : x
  2. Step 2: Convert to fraction form
    330,241,399.43/455,358,710.93 = 211,006,464.26/x
  3. Step 3: Cross multiply
    330,241,399.43x = 455,358,710.93 × 211,006,464.26
  4. Step 4: Simplify right side
    330,241,399.43x = 96,083,631,559,998,896
  5. Step 5: Solve for x
    x = 96,083,631,559,998,896/330,241,399.43
  6. Step 6: Final answer
    x = 290,949,686.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.