Home / 369,481,774.14-509,886,199.89-199,936,012.50

Finding the Fourth Proportional to 369,481,774.14, 509,886,199.89 and 199,936,012.50

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Solution

The fourth proportional to 369,481,774.14, 509,886,199.89 and 199,936,012.50 is: 275,912,428.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,481,774.14 : 509,886,199.89 = 199,936,012.50 : x
  2. Step 2: Convert to fraction form
    369,481,774.14/509,886,199.89 = 199,936,012.50/x
  3. Step 3: Cross multiply
    369,481,774.14x = 509,886,199.89 × 199,936,012.50
  4. Step 4: Simplify right side
    369,481,774.14x = 101,944,613,634,784,528
  5. Step 5: Solve for x
    x = 101,944,613,634,784,528/369,481,774.14
  6. Step 6: Final answer
    x = 275,912,428.62

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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.