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Finding the Fourth Proportional to 882,629,457.36, 1,218,028,593.42 and 511,566,722.34

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Solution

The fourth proportional to 882,629,457.36, 1,218,028,593.42 and 511,566,722.34 is: 705,962,043.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,629,457.36 : 1,218,028,593.42 = 511,566,722.34 : x
  2. Step 2: Convert to fraction form
    882,629,457.36/1,218,028,593.42 = 511,566,722.34/x
  3. Step 3: Cross multiply
    882,629,457.36x = 1,218,028,593.42 × 511,566,722.34
  4. Step 4: Simplify right side
    882,629,457.36x = 623,102,895,252,269,952
  5. Step 5: Solve for x
    x = 623,102,895,252,269,952/882,629,457.36
  6. Step 6: Final answer
    x = 705,962,043.37

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Double scale
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1.5x scale

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.