Home / 620,298,917.97-855,987,584.50-338,035,364.94

Finding the Fourth Proportional to 620,298,917.97, 855,987,584.50 and 338,035,364.94

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Solution

The fourth proportional to 620,298,917.97, 855,987,584.50 and 338,035,364.94 is: 466,475,222.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,298,917.97 : 855,987,584.50 = 338,035,364.94 : x
  2. Step 2: Convert to fraction form
    620,298,917.97/855,987,584.50 = 338,035,364.94/x
  3. Step 3: Cross multiply
    620,298,917.97x = 855,987,584.50 × 338,035,364.94
  4. Step 4: Simplify right side
    620,298,917.97x = 289,354,075,514,199,104
  5. Step 5: Solve for x
    x = 289,354,075,514,199,104/620,298,917.97
  6. Step 6: Final answer
    x = 466,475,222.08

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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.