Home / 401,573,499.80-602,387,921.16-168,169,207.55

Finding the Fourth Proportional to 401,573,499.80, 602,387,921.16 and 168,169,207.55

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Solution

The fourth proportional to 401,573,499.80, 602,387,921.16 and 168,169,207.55 is: 252,265,399.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,573,499.80 : 602,387,921.16 = 168,169,207.55 : x
  2. Step 2: Convert to fraction form
    401,573,499.80/602,387,921.16 = 168,169,207.55/x
  3. Step 3: Cross multiply
    401,573,499.80x = 602,387,921.16 × 168,169,207.55
  4. Step 4: Simplify right side
    401,573,499.80x = 101,303,099,339,169,072
  5. Step 5: Solve for x
    x = 101,303,099,339,169,072/401,573,499.80
  6. Step 6: Final answer
    x = 252,265,399.46

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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.