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Finding the Fourth Proportional to 398,603,241.39, 549,968,735.79 and 233,502,237.39

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Solution

The fourth proportional to 398,603,241.39, 549,968,735.79 and 233,502,237.39 is: 322,172,318.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,603,241.39 : 549,968,735.79 = 233,502,237.39 : x
  2. Step 2: Convert to fraction form
    398,603,241.39/549,968,735.79 = 233,502,237.39/x
  3. Step 3: Cross multiply
    398,603,241.39x = 549,968,735.79 × 233,502,237.39
  4. Step 4: Simplify right side
    398,603,241.39x = 128,418,930,301,514,752
  5. Step 5: Solve for x
    x = 128,418,930,301,514,752/398,603,241.39
  6. Step 6: Final answer
    x = 322,172,318.15

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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.