Home / 662,257,605.40-993,386,408.10-202,135,987.60

Finding the Fourth Proportional to 662,257,605.40, 993,386,408.10 and 202,135,987.60

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Solution

The fourth proportional to 662,257,605.40, 993,386,408.10 and 202,135,987.60 is: 303,203,981.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,257,605.40 : 993,386,408.10 = 202,135,987.60 : x
  2. Step 2: Convert to fraction form
    662,257,605.40/993,386,408.10 = 202,135,987.60/x
  3. Step 3: Cross multiply
    662,257,605.40x = 993,386,408.10 × 202,135,987.60
  4. Step 4: Simplify right side
    662,257,605.40x = 200,799,142,669,710,144
  5. Step 5: Solve for x
    x = 200,799,142,669,710,144/662,257,605.40
  6. Step 6: Final answer
    x = 303,203,981.40

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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.