Home / 354,294,357.40-531,441,536.10-319,856,980.60

Finding the Fourth Proportional to 354,294,357.40, 531,441,536.10 and 319,856,980.60

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Solution

The fourth proportional to 354,294,357.40, 531,441,536.10 and 319,856,980.60 is: 479,785,470.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,294,357.40 : 531,441,536.10 = 319,856,980.60 : x
  2. Step 2: Convert to fraction form
    354,294,357.40/531,441,536.10 = 319,856,980.60/x
  3. Step 3: Cross multiply
    354,294,357.40x = 531,441,536.10 × 319,856,980.60
  4. Step 4: Simplify right side
    354,294,357.40x = 169,985,285,102,371,904
  5. Step 5: Solve for x
    x = 169,985,285,102,371,904/354,294,357.40
  6. Step 6: Final answer
    x = 479,785,470.90

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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.