Home / 482,728,999.40-724,093,499.10-434,356,058.60

Finding the Fourth Proportional to 482,728,999.40, 724,093,499.10 and 434,356,058.60

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Solution

The fourth proportional to 482,728,999.40, 724,093,499.10 and 434,356,058.60 is: 651,534,087.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,728,999.40 : 724,093,499.10 = 434,356,058.60 : x
  2. Step 2: Convert to fraction form
    482,728,999.40/724,093,499.10 = 434,356,058.60/x
  3. Step 3: Cross multiply
    482,728,999.40x = 724,093,499.10 × 434,356,058.60
  4. Step 4: Simplify right side
    482,728,999.40x = 314,514,398,326,958,656
  5. Step 5: Solve for x
    x = 314,514,398,326,958,656/482,728,999.40
  6. Step 6: Final answer
    x = 651,534,087.90

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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.