Home / 779,166,286-1,075,283,274.36-431,485,774

Finding the Fourth Proportional to 779,166,286, 1,075,283,274.36 and 431,485,774

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Solution

The fourth proportional to 779,166,286, 1,075,283,274.36 and 431,485,774 is: 595,469,085.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,166,286 : 1,075,283,274.36 = 431,485,774 : x
  2. Step 2: Convert to fraction form
    779,166,286/1,075,283,274.36 = 431,485,774/x
  3. Step 3: Cross multiply
    779,166,286x = 1,075,283,274.36 × 431,485,774
  4. Step 4: Simplify right side
    779,166,286x = 463,969,435,906,478,912
  5. Step 5: Solve for x
    x = 463,969,435,906,478,912/779,166,286
  6. Step 6: Final answer
    x = 595,469,085.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.