Home / 21,938,919,713.12-30,275,713,578.74-13,365,346,038.63

Finding the Fourth Proportional to 21,938,919,713.12, 30,275,713,578.74 and 13,365,346,038.63

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Solution

The fourth proportional to 21,938,919,713.12, 30,275,713,578.74 and 13,365,346,038.63 is: 18,444,180,198.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,938,919,713.12 : 30,275,713,578.74 = 13,365,346,038.63 : x
  2. Step 2: Convert to fraction form
    21,938,919,713.12/30,275,713,578.74 = 13,365,346,038.63/x
  3. Step 3: Cross multiply
    21,938,919,713.12x = 30,275,713,578.74 × 13,365,346,038.63
  4. Step 4: Simplify right side
    21,938,919,713.12x = 404,645,388,546,242,314,240
  5. Step 5: Solve for x
    x = 404,645,388,546,242,314,240/21,938,919,713.12
  6. Step 6: Final answer
    x = 18,444,180,198.37

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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.