Home / 282,688,556.86-423,541,428.65-198,379,133.14

Finding the Fourth Proportional to 282,688,556.86, 423,541,428.65 and 198,379,133.14

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Solution

The fourth proportional to 282,688,556.86, 423,541,428.65 and 198,379,133.14 is: 297,223,850.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,688,556.86 : 423,541,428.65 = 198,379,133.14 : x
  2. Step 2: Convert to fraction form
    282,688,556.86/423,541,428.65 = 198,379,133.14/x
  3. Step 3: Cross multiply
    282,688,556.86x = 423,541,428.65 × 198,379,133.14
  4. Step 4: Simplify right side
    282,688,556.86x = 84,021,781,464,464,144
  5. Step 5: Solve for x
    x = 84,021,781,464,464,144/282,688,556.86
  6. Step 6: Final answer
    x = 297,223,850.86

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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.