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Finding the Fourth Proportional to 636,563,733.10, 954,845,599.65 and 606,431,028.40

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Solution

The fourth proportional to 636,563,733.10, 954,845,599.65 and 606,431,028.40 is: 909,646,542.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,563,733.10 : 954,845,599.65 = 606,431,028.40 : x
  2. Step 2: Convert to fraction form
    636,563,733.10/954,845,599.65 = 606,431,028.40/x
  3. Step 3: Cross multiply
    636,563,733.10x = 954,845,599.65 × 606,431,028.40
  4. Step 4: Simplify right side
    636,563,733.10x = 579,047,998,958,964,096
  5. Step 5: Solve for x
    x = 579,047,998,958,964,096/636,563,733.10
  6. Step 6: Final answer
    x = 909,646,542.60

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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.