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Finding the Fourth Proportional to 1,000,231,676.48, 1,379,880,034.56 and 603,533,408.48

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Solution

The fourth proportional to 1,000,231,676.48, 1,379,880,034.56 and 603,533,408.48 is: 832,610,804.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,231,676.48 : 1,379,880,034.56 = 603,533,408.48 : x
  2. Step 2: Convert to fraction form
    1,000,231,676.48/1,379,880,034.56 = 603,533,408.48/x
  3. Step 3: Cross multiply
    1,000,231,676.48x = 1,379,880,034.56 × 603,533,408.48
  4. Step 4: Simplify right side
    1,000,231,676.48x = 832,803,700,551,496,960
  5. Step 5: Solve for x
    x = 832,803,700,551,496,960/1,000,231,676.48
  6. Step 6: Final answer
    x = 832,610,804.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.