Home / 517,417,860.86-714,033,015.60-282,468,521.33

Finding the Fourth Proportional to 517,417,860.86, 714,033,015.60 and 282,468,521.33

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Solution

The fourth proportional to 517,417,860.86, 714,033,015.60 and 282,468,521.33 is: 389,804,576.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,417,860.86 : 714,033,015.60 = 282,468,521.33 : x
  2. Step 2: Convert to fraction form
    517,417,860.86/714,033,015.60 = 282,468,521.33/x
  3. Step 3: Cross multiply
    517,417,860.86x = 714,033,015.60 × 282,468,521.33
  4. Step 4: Simplify right side
    517,417,860.86x = 201,691,850,095,916,384
  5. Step 5: Solve for x
    x = 201,691,850,095,916,384/517,417,860.86
  6. Step 6: Final answer
    x = 389,804,576.44

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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.