Home / 401,528,080.70-602,292,121.05-299,491,408.70

Finding the Fourth Proportional to 401,528,080.70, 602,292,121.05 and 299,491,408.70

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Solution

The fourth proportional to 401,528,080.70, 602,292,121.05 and 299,491,408.70 is: 449,237,113.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,528,080.70 : 602,292,121.05 = 299,491,408.70 : x
  2. Step 2: Convert to fraction form
    401,528,080.70/602,292,121.05 = 299,491,408.70/x
  3. Step 3: Cross multiply
    401,528,080.70x = 602,292,121.05 × 299,491,408.70
  4. Step 4: Simplify right side
    401,528,080.70x = 180,381,315,782,175,392
  5. Step 5: Solve for x
    x = 180,381,315,782,175,392/401,528,080.70
  6. Step 6: Final answer
    x = 449,237,113.05

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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.