Home / 401,915,948.49-602,666,921.52-180,397,386.04

Finding the Fourth Proportional to 401,915,948.49, 602,666,921.52 and 180,397,386.04

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Solution

The fourth proportional to 401,915,948.49, 602,666,921.52 and 180,397,386.04 is: 270,503,167.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,915,948.49 : 602,666,921.52 = 180,397,386.04 : x
  2. Step 2: Convert to fraction form
    401,915,948.49/602,666,921.52 = 180,397,386.04/x
  3. Step 3: Cross multiply
    401,915,948.49x = 602,666,921.52 × 180,397,386.04
  4. Step 4: Simplify right side
    401,915,948.49x = 108,719,537,296,339,824
  5. Step 5: Solve for x
    x = 108,719,537,296,339,824/401,915,948.49
  6. Step 6: Final answer
    x = 270,503,167.90

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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.