Home / 469,417,657.10-703,976,990.99-154,210,520.30

Finding the Fourth Proportional to 469,417,657.10, 703,976,990.99 and 154,210,520.30

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Solution

The fourth proportional to 469,417,657.10, 703,976,990.99 and 154,210,520.30 is: 231,266,669.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,417,657.10 : 703,976,990.99 = 154,210,520.30 : x
  2. Step 2: Convert to fraction form
    469,417,657.10/703,976,990.99 = 154,210,520.30/x
  3. Step 3: Cross multiply
    469,417,657.10x = 703,976,990.99 × 154,210,520.30
  4. Step 4: Simplify right side
    469,417,657.10x = 108,560,658,055,505,360
  5. Step 5: Solve for x
    x = 108,560,658,055,505,360/469,417,657.10
  6. Step 6: Final answer
    x = 231,266,669.28

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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.