Home / 290,205,826.08-400,454,429.76-178,678,973.76

Finding the Fourth Proportional to 290,205,826.08, 400,454,429.76 and 178,678,973.76

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Solution

The fourth proportional to 290,205,826.08, 400,454,429.76 and 178,678,973.76 is: 246,558,752.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,205,826.08 : 400,454,429.76 = 178,678,973.76 : x
  2. Step 2: Convert to fraction form
    290,205,826.08/400,454,429.76 = 178,678,973.76/x
  3. Step 3: Cross multiply
    290,205,826.08x = 400,454,429.76 × 178,678,973.76
  4. Step 4: Simplify right side
    290,205,826.08x = 71,552,786,547,162,800
  5. Step 5: Solve for x
    x = 71,552,786,547,162,800/290,205,826.08
  6. Step 6: Final answer
    x = 246,558,752.85

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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.