Home / 690,323,605.04-1,035,489,278.82-230,260,511.36

Finding the Fourth Proportional to 690,323,605.04, 1,035,489,278.82 and 230,260,511.36

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Solution

The fourth proportional to 690,323,605.04, 1,035,489,278.82 and 230,260,511.36 is: 345,392,058.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,323,605.04 : 1,035,489,278.82 = 230,260,511.36 : x
  2. Step 2: Convert to fraction form
    690,323,605.04/1,035,489,278.82 = 230,260,511.36/x
  3. Step 3: Cross multiply
    690,323,605.04x = 1,035,489,278.82 × 230,260,511.36
  4. Step 4: Simplify right side
    690,323,605.04x = 238,432,290,848,890,848
  5. Step 5: Solve for x
    x = 238,432,290,848,890,848/690,323,605.04
  6. Step 6: Final answer
    x = 345,392,058.32

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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.