Home / 282,688,556.98-423,541,428.84-198,379,133.27

Finding the Fourth Proportional to 282,688,556.98, 423,541,428.84 and 198,379,133.27

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Solution

The fourth proportional to 282,688,556.98, 423,541,428.84 and 198,379,133.27 is: 297,223,851.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,688,556.98 : 423,541,428.84 = 198,379,133.27 : x
  2. Step 2: Convert to fraction form
    282,688,556.98/423,541,428.84 = 198,379,133.27/x
  3. Step 3: Cross multiply
    282,688,556.98x = 423,541,428.84 × 198,379,133.27
  4. Step 4: Simplify right side
    282,688,556.98x = 84,021,781,557,216,576
  5. Step 5: Solve for x
    x = 84,021,781,557,216,576/282,688,556.98
  6. Step 6: Final answer
    x = 297,223,851.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.