Home / 455,943,646.80-683,981,825.40-149,161,438.80

Finding the Fourth Proportional to 455,943,646.80, 683,981,825.40 and 149,161,438.80

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Solution

The fourth proportional to 455,943,646.80, 683,981,825.40 and 149,161,438.80 is: 223,763,866.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,943,646.80 : 683,981,825.40 = 149,161,438.80 : x
  2. Step 2: Convert to fraction form
    455,943,646.80/683,981,825.40 = 149,161,438.80/x
  3. Step 3: Cross multiply
    455,943,646.80x = 683,981,825.40 × 149,161,438.80
  4. Step 4: Simplify right side
    455,943,646.80x = 102,023,713,189,714,384
  5. Step 5: Solve for x
    x = 102,023,713,189,714,384/455,943,646.80
  6. Step 6: Final answer
    x = 223,763,866.23

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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.