Home / 425,458,898.33-638,254,331.71-179,816,567.36

Finding the Fourth Proportional to 425,458,898.33, 638,254,331.71 and 179,816,567.36

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Solution

The fourth proportional to 425,458,898.33, 638,254,331.71 and 179,816,567.36 is: 269,752,738.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,458,898.33 : 638,254,331.71 = 179,816,567.36 : x
  2. Step 2: Convert to fraction form
    425,458,898.33/638,254,331.71 = 179,816,567.36/x
  3. Step 3: Cross multiply
    425,458,898.33x = 638,254,331.71 × 179,816,567.36
  4. Step 4: Simplify right side
    425,458,898.33x = 114,768,703,027,102,176
  5. Step 5: Solve for x
    x = 114,768,703,027,102,176/425,458,898.33
  6. Step 6: Final answer
    x = 269,752,738.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.