Home / 289,718,743.64-399,901,889.14-230,285,499.19

Finding the Fourth Proportional to 289,718,743.64, 399,901,889.14 and 230,285,499.19

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Solution

The fourth proportional to 289,718,743.64, 399,901,889.14 and 230,285,499.19 is: 317,865,544.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,718,743.64 : 399,901,889.14 = 230,285,499.19 : x
  2. Step 2: Convert to fraction form
    289,718,743.64/399,901,889.14 = 230,285,499.19/x
  3. Step 3: Cross multiply
    289,718,743.64x = 399,901,889.14 × 230,285,499.19
  4. Step 4: Simplify right side
    289,718,743.64x = 92,091,606,166,053,472
  5. Step 5: Solve for x
    x = 92,091,606,166,053,472/289,718,743.64
  6. Step 6: Final answer
    x = 317,865,544.39

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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.