Home / 443,070,048.40-664,605,072.60-213,487,536.40

Finding the Fourth Proportional to 443,070,048.40, 664,605,072.60 and 213,487,536.40

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Solution

The fourth proportional to 443,070,048.40, 664,605,072.60 and 213,487,536.40 is: 320,231,304.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,070,048.40 : 664,605,072.60 = 213,487,536.40 : x
  2. Step 2: Convert to fraction form
    443,070,048.40/664,605,072.60 = 213,487,536.40/x
  3. Step 3: Cross multiply
    443,070,048.40x = 664,605,072.60 × 213,487,536.40
  4. Step 4: Simplify right side
    443,070,048.40x = 141,884,899,628,317,152
  5. Step 5: Solve for x
    x = 141,884,899,628,317,152/443,070,048.40
  6. Step 6: Final answer
    x = 320,231,304.60

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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.