Home / 1,263,075,452.88-1,743,580,823.40-787,001,036.37

Finding the Fourth Proportional to 1,263,075,452.88, 1,743,580,823.40 and 787,001,036.37

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Solution

The fourth proportional to 1,263,075,452.88, 1,743,580,823.40 and 787,001,036.37 is: 1,086,395,837.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,075,452.88 : 1,743,580,823.40 = 787,001,036.37 : x
  2. Step 2: Convert to fraction form
    1,263,075,452.88/1,743,580,823.40 = 787,001,036.37/x
  3. Step 3: Cross multiply
    1,263,075,452.88x = 1,743,580,823.40 × 787,001,036.37
  4. Step 4: Simplify right side
    1,263,075,452.88x = 1,372,199,915,010,658,048
  5. Step 5: Solve for x
    x = 1,372,199,915,010,658,048/1,263,075,452.88
  6. Step 6: Final answer
    x = 1,086,395,837.94

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1.5x scale

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.