Home / 651,837,216.70-977,755,825.05-445,212,955.90

Finding the Fourth Proportional to 651,837,216.70, 977,755,825.05 and 445,212,955.90

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Solution

The fourth proportional to 651,837,216.70, 977,755,825.05 and 445,212,955.90 is: 667,819,433.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,837,216.70 : 977,755,825.05 = 445,212,955.90 : x
  2. Step 2: Convert to fraction form
    651,837,216.70/977,755,825.05 = 445,212,955.90/x
  3. Step 3: Cross multiply
    651,837,216.70x = 977,755,825.05 × 445,212,955.90
  4. Step 4: Simplify right side
    651,837,216.70x = 435,309,561,018,953,728
  5. Step 5: Solve for x
    x = 435,309,561,018,953,728/651,837,216.70
  6. Step 6: Final answer
    x = 667,819,433.85

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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.