Home / 663,183,065.39-915,176,468.52-365,818,796.78

Finding the Fourth Proportional to 663,183,065.39, 915,176,468.52 and 365,818,796.78

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Solution

The fourth proportional to 663,183,065.39, 915,176,468.52 and 365,818,796.78 is: 504,821,024.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,183,065.39 : 915,176,468.52 = 365,818,796.78 : x
  2. Step 2: Convert to fraction form
    663,183,065.39/915,176,468.52 = 365,818,796.78/x
  3. Step 3: Cross multiply
    663,183,065.39x = 915,176,468.52 × 365,818,796.78
  4. Step 4: Simplify right side
    663,183,065.39x = 334,788,754,550,780,032
  5. Step 5: Solve for x
    x = 334,788,754,550,780,032/663,183,065.39
  6. Step 6: Final answer
    x = 504,821,024.58

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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.