Home / 430,890,233.40-646,335,350.10-299,376,300.60

Finding the Fourth Proportional to 430,890,233.40, 646,335,350.10 and 299,376,300.60

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Solution

The fourth proportional to 430,890,233.40, 646,335,350.10 and 299,376,300.60 is: 449,064,450.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,890,233.40 : 646,335,350.10 = 299,376,300.60 : x
  2. Step 2: Convert to fraction form
    430,890,233.40/646,335,350.10 = 299,376,300.60/x
  3. Step 3: Cross multiply
    430,890,233.40x = 646,335,350.10 × 299,376,300.60
  4. Step 4: Simplify right side
    430,890,233.40x = 193,497,486,059,943,872
  5. Step 5: Solve for x
    x = 193,497,486,059,943,872/430,890,233.40
  6. Step 6: Final answer
    x = 449,064,450.90

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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.