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Finding the Fourth Proportional to 630,207,346.20, 943,610,408.10 and 630,207,346.20

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Solution

The fourth proportional to 630,207,346.20, 943,610,408.10 and 630,207,346.20 is: 943,610,408.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,207,346.20 : 943,610,408.10 = 630,207,346.20 : x
  2. Step 2: Convert to fraction form
    630,207,346.20/943,610,408.10 = 630,207,346.20/x
  3. Step 3: Cross multiply
    630,207,346.20x = 943,610,408.10 × 630,207,346.20
  4. Step 4: Simplify right side
    630,207,346.20x = 594,670,211,135,400,064
  5. Step 5: Solve for x
    x = 594,670,211,135,400,064/630,207,346.20
  6. Step 6: Final answer
    x = 943,610,408.10

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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.