Home / 282,906,558.64-390,419,731.02-157,465,723.33

Finding the Fourth Proportional to 282,906,558.64, 390,419,731.02 and 157,465,723.33

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Solution

The fourth proportional to 282,906,558.64, 390,419,731.02 and 157,465,723.33 is: 217,307,529.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,906,558.64 : 390,419,731.02 = 157,465,723.33 : x
  2. Step 2: Convert to fraction form
    282,906,558.64/390,419,731.02 = 157,465,723.33/x
  3. Step 3: Cross multiply
    282,906,558.64x = 390,419,731.02 × 157,465,723.33
  4. Step 4: Simplify right side
    282,906,558.64x = 61,477,725,347,368,344
  5. Step 5: Solve for x
    x = 61,477,725,347,368,344/282,906,558.64
  6. Step 6: Final answer
    x = 217,307,529.54

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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.