Home / 919,218,032.50-1,268,912,298.68-617,978,052.27

Finding the Fourth Proportional to 919,218,032.50, 1,268,912,298.68 and 617,978,052.27

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Solution

The fourth proportional to 919,218,032.50, 1,268,912,298.68 and 617,978,052.27 is: 853,072,854.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,218,032.50 : 1,268,912,298.68 = 617,978,052.27 : x
  2. Step 2: Convert to fraction form
    919,218,032.50/1,268,912,298.68 = 617,978,052.27/x
  3. Step 3: Cross multiply
    919,218,032.50x = 1,268,912,298.68 × 617,978,052.27
  4. Step 4: Simplify right side
    919,218,032.50x = 784,159,950,839,714,944
  5. Step 5: Solve for x
    x = 784,159,950,839,714,944/919,218,032.50
  6. Step 6: Final answer
    x = 853,072,854.44

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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.