Home / 827,704,846.89-1,241,977,108.64-459,171,771.03

Finding the Fourth Proportional to 827,704,846.89, 1,241,977,108.64 and 459,171,771.03

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Solution

The fourth proportional to 827,704,846.89, 1,241,977,108.64 and 459,171,771.03 is: 688,990,563.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,704,846.89 : 1,241,977,108.64 = 459,171,771.03 : x
  2. Step 2: Convert to fraction form
    827,704,846.89/1,241,977,108.64 = 459,171,771.03/x
  3. Step 3: Cross multiply
    827,704,846.89x = 1,241,977,108.64 × 459,171,771.03
  4. Step 4: Simplify right side
    827,704,846.89x = 570,280,828,550,651,584
  5. Step 5: Solve for x
    x = 570,280,828,550,651,584/827,704,846.89
  6. Step 6: Final answer
    x = 688,990,563.11

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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.