Home / 541,727,999.80-812,591,999.70-530,978,457.40

Finding the Fourth Proportional to 541,727,999.80, 812,591,999.70 and 530,978,457.40

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Solution

The fourth proportional to 541,727,999.80, 812,591,999.70 and 530,978,457.40 is: 796,467,686.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,727,999.80 : 812,591,999.70 = 530,978,457.40 : x
  2. Step 2: Convert to fraction form
    541,727,999.80/812,591,999.70 = 530,978,457.40/x
  3. Step 3: Cross multiply
    541,727,999.80x = 812,591,999.70 × 530,978,457.40
  4. Step 4: Simplify right side
    541,727,999.80x = 431,468,846,496,287,296
  5. Step 5: Solve for x
    x = 431,468,846,496,287,296/541,727,999.80
  6. Step 6: Final answer
    x = 796,467,686.10

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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.