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Finding the Fourth Proportional to 1,667,550,917.16, 2,501,347,662.54 and 440,708,769

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Solution

The fourth proportional to 1,667,550,917.16, 2,501,347,662.54 and 440,708,769 is: 661,068,779.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,667,550,917.16 : 2,501,347,662.54 = 440,708,769 : x
  2. Step 2: Convert to fraction form
    1,667,550,917.16/2,501,347,662.54 = 440,708,769/x
  3. Step 3: Cross multiply
    1,667,550,917.16x = 2,501,347,662.54 × 440,708,769
  4. Step 4: Simplify right side
    1,667,550,917.16x = 1,102,365,849,199,030,784
  5. Step 5: Solve for x
    x = 1,102,365,849,199,030,784/1,667,550,917.16
  6. Step 6: Final answer
    x = 661,068,779.28

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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.