Home / 1,264,345,591.47-1,744,759,038-699,853,611.37

Finding the Fourth Proportional to 1,264,345,591.47, 1,744,759,038 and 699,853,611.37

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Solution

The fourth proportional to 1,264,345,591.47, 1,744,759,038 and 699,853,611.37 is: 965,777,016.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,345,591.47 : 1,744,759,038 = 699,853,611.37 : x
  2. Step 2: Convert to fraction form
    1,264,345,591.47/1,744,759,038 = 699,853,611.37/x
  3. Step 3: Cross multiply
    1,264,345,591.47x = 1,744,759,038 × 699,853,611.37
  4. Step 4: Simplify right side
    1,264,345,591.47x = 1,221,075,913,714,747,136
  5. Step 5: Solve for x
    x = 1,221,075,913,714,747,136/1,264,345,591.47
  6. Step 6: Final answer
    x = 965,777,016.94

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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.