Home / 1,243,948,274.08-1,866,184,468.86-403,525,395.42

Finding the Fourth Proportional to 1,243,948,274.08, 1,866,184,468.86 and 403,525,395.42

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Solution

The fourth proportional to 1,243,948,274.08, 1,866,184,468.86 and 403,525,395.42 is: 605,373,102.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,948,274.08 : 1,866,184,468.86 = 403,525,395.42 : x
  2. Step 2: Convert to fraction form
    1,243,948,274.08/1,866,184,468.86 = 403,525,395.42/x
  3. Step 3: Cross multiply
    1,243,948,274.08x = 1,866,184,468.86 × 403,525,395.42
  4. Step 4: Simplify right side
    1,243,948,274.08x = 753,052,825,723,394,176
  5. Step 5: Solve for x
    x = 753,052,825,723,394,176/1,243,948,274.08
  6. Step 6: Final answer
    x = 605,373,102.25

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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.