Home / 340,371,582.69-469,725,313-189,677,780.18

Finding the Fourth Proportional to 340,371,582.69, 469,725,313 and 189,677,780.18

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Solution

The fourth proportional to 340,371,582.69, 469,725,313 and 189,677,780.18 is: 261,762,318.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,371,582.69 : 469,725,313 = 189,677,780.18 : x
  2. Step 2: Convert to fraction form
    340,371,582.69/469,725,313 = 189,677,780.18/x
  3. Step 3: Cross multiply
    340,371,582.69x = 469,725,313 × 189,677,780.18
  4. Step 4: Simplify right side
    340,371,582.69x = 89,096,454,664,195,696
  5. Step 5: Solve for x
    x = 89,096,454,664,195,696/340,371,582.69
  6. Step 6: Final answer
    x = 261,762,318.58

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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.