Home / 1,026,249,119.42-1,416,169,240.67-580,185,813.42

Finding the Fourth Proportional to 1,026,249,119.42, 1,416,169,240.67 and 580,185,813.42

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Solution

The fourth proportional to 1,026,249,119.42, 1,416,169,240.67 and 580,185,813.42 is: 800,625,586.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,249,119.42 : 1,416,169,240.67 = 580,185,813.42 : x
  2. Step 2: Convert to fraction form
    1,026,249,119.42/1,416,169,240.67 = 580,185,813.42/x
  3. Step 3: Cross multiply
    1,026,249,119.42x = 1,416,169,240.67 × 580,185,813.42
  4. Step 4: Simplify right side
    1,026,249,119.42x = 821,641,302,839,958,016
  5. Step 5: Solve for x
    x = 821,641,302,839,958,016/1,026,249,119.42
  6. Step 6: Final answer
    x = 800,625,586.22

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Double scale
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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.