Home / 282,830,613,854.15-390,816,798,940.82-201,399,062,611.48

Finding the Fourth Proportional to 282,830,613,854.15, 390,816,798,940.82 and 201,399,062,611.48

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Solution

The fourth proportional to 282,830,613,854.15, 390,816,798,940.82 and 201,399,062,611.48 is: 278,294,262,021.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,830,613,854.15 : 390,816,798,940.82 = 201,399,062,611.48 : x
  2. Step 2: Convert to fraction form
    282,830,613,854.15/390,816,798,940.82 = 201,399,062,611.48/x
  3. Step 3: Cross multiply
    282,830,613,854.15x = 390,816,798,940.82 × 201,399,062,611.48
  4. Step 4: Simplify right side
    282,830,613,854.15x = 78,710,136,959,500,399,149,056
  5. Step 5: Solve for x
    x = 78,710,136,959,500,399,149,056/282,830,613,854.15
  6. Step 6: Final answer
    x = 278,294,262,021.05

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1.5x scale

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.