Home / 806,040,747.72-1,209,521,856.06-437,605,656.28

Finding the Fourth Proportional to 806,040,747.72, 1,209,521,856.06 and 437,605,656.28

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Solution

The fourth proportional to 806,040,747.72, 1,209,521,856.06 and 437,605,656.28 is: 656,658,620.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,040,747.72 : 1,209,521,856.06 = 437,605,656.28 : x
  2. Step 2: Convert to fraction form
    806,040,747.72/1,209,521,856.06 = 437,605,656.28/x
  3. Step 3: Cross multiply
    806,040,747.72x = 1,209,521,856.06 × 437,605,656.28
  4. Step 4: Simplify right side
    806,040,747.72x = 529,293,605,600,092,352
  5. Step 5: Solve for x
    x = 529,293,605,600,092,352/806,040,747.72
  6. Step 6: Final answer
    x = 656,658,620.67

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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.