Home / 538,137,567.62-742,629,814.89-290,618,898.02

Finding the Fourth Proportional to 538,137,567.62, 742,629,814.89 and 290,618,898.02

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Solution

The fourth proportional to 538,137,567.62, 742,629,814.89 and 290,618,898.02 is: 401,054,063.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,137,567.62 : 742,629,814.89 = 290,618,898.02 : x
  2. Step 2: Convert to fraction form
    538,137,567.62/742,629,814.89 = 290,618,898.02/x
  3. Step 3: Cross multiply
    538,137,567.62x = 742,629,814.89 × 290,618,898.02
  4. Step 4: Simplify right side
    538,137,567.62x = 215,822,258,440,128,384
  5. Step 5: Solve for x
    x = 215,822,258,440,128,384/538,137,567.62
  6. Step 6: Final answer
    x = 401,054,063.92

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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.