Home / 502,984,228.36-694,118,268.50-279,961,123.80

Finding the Fourth Proportional to 502,984,228.36, 694,118,268.50 and 279,961,123.80

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Solution

The fourth proportional to 502,984,228.36, 694,118,268.50 and 279,961,123.80 is: 386,346,369.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,984,228.36 : 694,118,268.50 = 279,961,123.80 : x
  2. Step 2: Convert to fraction form
    502,984,228.36/694,118,268.50 = 279,961,123.80/x
  3. Step 3: Cross multiply
    502,984,228.36x = 694,118,268.50 × 279,961,123.80
  4. Step 4: Simplify right side
    502,984,228.36x = 194,326,130,499,370,144
  5. Step 5: Solve for x
    x = 194,326,130,499,370,144/502,984,228.36
  6. Step 6: Final answer
    x = 386,346,369.41

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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.