Home / 776,446,769.19-1,165,248,587.94-569,719,369.47

Finding the Fourth Proportional to 776,446,769.19, 1,165,248,587.94 and 569,719,369.47

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Solution

The fourth proportional to 776,446,769.19, 1,165,248,587.94 and 569,719,369.47 is: 855,003,481.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,446,769.19 : 1,165,248,587.94 = 569,719,369.47 : x
  2. Step 2: Convert to fraction form
    776,446,769.19/1,165,248,587.94 = 569,719,369.47/x
  3. Step 3: Cross multiply
    776,446,769.19x = 1,165,248,587.94 × 569,719,369.47
  4. Step 4: Simplify right side
    776,446,769.19x = 663,864,690,796,984,704
  5. Step 5: Solve for x
    x = 663,864,690,796,984,704/776,446,769.19
  6. Step 6: Final answer
    x = 855,003,481.42

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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.