Home / 401,604,942.40-602,662,198.72-171,575,757.12

Finding the Fourth Proportional to 401,604,942.40, 602,662,198.72 and 171,575,757.12

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Solution

The fourth proportional to 401,604,942.40, 602,662,198.72 and 171,575,757.12 is: 257,472,486.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,604,942.40 : 602,662,198.72 = 171,575,757.12 : x
  2. Step 2: Convert to fraction form
    401,604,942.40/602,662,198.72 = 171,575,757.12/x
  3. Step 3: Cross multiply
    401,604,942.40x = 602,662,198.72 × 171,575,757.12
  4. Step 4: Simplify right side
    401,604,942.40x = 103,402,223,032,987,904
  5. Step 5: Solve for x
    x = 103,402,223,032,987,904/401,604,942.40
  6. Step 6: Final answer
    x = 257,472,486.31

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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.