Home / 748,867,319.20-1,123,420,651.44-231,176,075.68

Finding the Fourth Proportional to 748,867,319.20, 1,123,420,651.44 and 231,176,075.68

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Solution

The fourth proportional to 748,867,319.20, 1,123,420,651.44 and 231,176,075.68 is: 346,801,056.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,867,319.20 : 1,123,420,651.44 = 231,176,075.68 : x
  2. Step 2: Convert to fraction form
    748,867,319.20/1,123,420,651.44 = 231,176,075.68/x
  3. Step 3: Cross multiply
    748,867,319.20x = 1,123,420,651.44 × 231,176,075.68
  4. Step 4: Simplify right side
    748,867,319.20x = 259,707,977,537,768,352
  5. Step 5: Solve for x
    x = 259,707,977,537,768,352/748,867,319.20
  6. Step 6: Final answer
    x = 346,801,056.58

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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.