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Finding the Fourth Proportional to 1,264,345,590.53, 1,744,759,036.71 and 699,853,610.44

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Solution

The fourth proportional to 1,264,345,590.53, 1,744,759,036.71 and 699,853,610.44 is: 965,777,015.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,345,590.53 : 1,744,759,036.71 = 699,853,610.44 : x
  2. Step 2: Convert to fraction form
    1,264,345,590.53/1,744,759,036.71 = 699,853,610.44/x
  3. Step 3: Cross multiply
    1,264,345,590.53x = 1,744,759,036.71 × 699,853,610.44
  4. Step 4: Simplify right side
    1,264,345,590.53x = 1,221,075,911,180,586,240
  5. Step 5: Solve for x
    x = 1,221,075,911,180,586,240/1,264,345,590.53
  6. Step 6: Final answer
    x = 965,777,015.66

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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.