Home / 487,999,768.72-672,870,726.72-364,025,212.24

Finding the Fourth Proportional to 487,999,768.72, 672,870,726.72 and 364,025,212.24

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Solution

The fourth proportional to 487,999,768.72, 672,870,726.72 and 364,025,212.24 is: 501,930,379.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,999,768.72 : 672,870,726.72 = 364,025,212.24 : x
  2. Step 2: Convert to fraction form
    487,999,768.72/672,870,726.72 = 364,025,212.24/x
  3. Step 3: Cross multiply
    487,999,768.72x = 672,870,726.72 × 364,025,212.24
  4. Step 4: Simplify right side
    487,999,768.72x = 244,941,909,104,331,040
  5. Step 5: Solve for x
    x = 244,941,909,104,331,040/487,999,768.72
  6. Step 6: Final answer
    x = 501,930,379.49

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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.