Home / 289,745,424.61-432,655,541.49-229,987,367.31

Finding the Fourth Proportional to 289,745,424.61, 432,655,541.49 and 229,987,367.31

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Solution

The fourth proportional to 289,745,424.61, 432,655,541.49 and 229,987,367.31 is: 343,423,227.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,745,424.61 : 432,655,541.49 = 229,987,367.31 : x
  2. Step 2: Convert to fraction form
    289,745,424.61/432,655,541.49 = 229,987,367.31/x
  3. Step 3: Cross multiply
    289,745,424.61x = 432,655,541.49 × 229,987,367.31
  4. Step 4: Simplify right side
    289,745,424.61x = 99,505,308,940,557,664
  5. Step 5: Solve for x
    x = 99,505,308,940,557,664/289,745,424.61
  6. Step 6: Final answer
    x = 343,423,227.74

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.