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Finding the Fourth Proportional to 559,872,693.80, 839,809,040.70 and 344,583,247.40

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Solution

The fourth proportional to 559,872,693.80, 839,809,040.70 and 344,583,247.40 is: 516,874,871.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,872,693.80 : 839,809,040.70 = 344,583,247.40 : x
  2. Step 2: Convert to fraction form
    559,872,693.80/839,809,040.70 = 344,583,247.40/x
  3. Step 3: Cross multiply
    559,872,693.80x = 839,809,040.70 × 344,583,247.40
  4. Step 4: Simplify right side
    559,872,693.80x = 289,384,126,440,284,736
  5. Step 5: Solve for x
    x = 289,384,126,440,284,736/559,872,693.80
  6. Step 6: Final answer
    x = 516,874,871.10

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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.