Home / 369,026,155.45-509,257,010.15-201,773,209.47

Finding the Fourth Proportional to 369,026,155.45, 509,257,010.15 and 201,773,209.47

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Solution

The fourth proportional to 369,026,155.45, 509,257,010.15 and 201,773,209.47 is: 278,447,529.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,026,155.45 : 509,257,010.15 = 201,773,209.47 : x
  2. Step 2: Convert to fraction form
    369,026,155.45/509,257,010.15 = 201,773,209.47/x
  3. Step 3: Cross multiply
    369,026,155.45x = 509,257,010.15 × 201,773,209.47
  4. Step 4: Simplify right side
    369,026,155.45x = 102,754,421,383,061,856
  5. Step 5: Solve for x
    x = 102,754,421,383,061,856/369,026,155.45
  6. Step 6: Final answer
    x = 278,447,529.71

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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.