Home / 1,110,168,577.24-1,664,075,268.86-519,461,129.30

Finding the Fourth Proportional to 1,110,168,577.24, 1,664,075,268.86 and 519,461,129.30

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Solution

The fourth proportional to 1,110,168,577.24, 1,664,075,268.86 and 519,461,129.30 is: 778,640,682.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,168,577.24 : 1,664,075,268.86 = 519,461,129.30 : x
  2. Step 2: Convert to fraction form
    1,110,168,577.24/1,664,075,268.86 = 519,461,129.30/x
  3. Step 3: Cross multiply
    1,110,168,577.24x = 1,664,075,268.86 × 519,461,129.30
  4. Step 4: Simplify right side
    1,110,168,577.24x = 864,422,418,391,299,072
  5. Step 5: Solve for x
    x = 864,422,418,391,299,072/1,110,168,577.24
  6. Step 6: Final answer
    x = 778,640,682.25

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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.