Home / 401,528,077.20-602,292,115.80-299,491,405.20

Finding the Fourth Proportional to 401,528,077.20, 602,292,115.80 and 299,491,405.20

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Solution

The fourth proportional to 401,528,077.20, 602,292,115.80 and 299,491,405.20 is: 449,237,107.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,528,077.20 : 602,292,115.80 = 299,491,405.20 : x
  2. Step 2: Convert to fraction form
    401,528,077.20/602,292,115.80 = 299,491,405.20/x
  3. Step 3: Cross multiply
    401,528,077.20x = 602,292,115.80 × 299,491,405.20
  4. Step 4: Simplify right side
    401,528,077.20x = 180,381,312,101,823,104
  5. Step 5: Solve for x
    x = 180,381,312,101,823,104/401,528,077.20
  6. Step 6: Final answer
    x = 449,237,107.80

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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.