Home / 779,945,745.42-1,075,697,536.50-685,658,291.58

Finding the Fourth Proportional to 779,945,745.42, 1,075,697,536.50 and 685,658,291.58

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Solution

The fourth proportional to 779,945,745.42, 1,075,697,536.50 and 685,658,291.58 is: 945,656,719.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,945,745.42 : 1,075,697,536.50 = 685,658,291.58 : x
  2. Step 2: Convert to fraction form
    779,945,745.42/1,075,697,536.50 = 685,658,291.58/x
  3. Step 3: Cross multiply
    779,945,745.42x = 1,075,697,536.50 × 685,658,291.58
  4. Step 4: Simplify right side
    779,945,745.42x = 737,560,935,133,404,800
  5. Step 5: Solve for x
    x = 737,560,935,133,404,800/779,945,745.42
  6. Step 6: Final answer
    x = 945,656,719.67

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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.