Home / 378,288,743.40-566,992,215.90-173,837,485.80

Finding the Fourth Proportional to 378,288,743.40, 566,992,215.90 and 173,837,485.80

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Solution

The fourth proportional to 378,288,743.40, 566,992,215.90 and 173,837,485.80 is: 260,553,619.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,288,743.40 : 566,992,215.90 = 173,837,485.80 : x
  2. Step 2: Convert to fraction form
    378,288,743.40/566,992,215.90 = 173,837,485.80/x
  3. Step 3: Cross multiply
    378,288,743.40x = 566,992,215.90 × 173,837,485.80
  4. Step 4: Simplify right side
    378,288,743.40x = 98,564,501,280,226,784
  5. Step 5: Solve for x
    x = 98,564,501,280,226,784/378,288,743.40
  6. Step 6: Final answer
    x = 260,553,619.42

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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.