Home / 646,690,001.60-970,020,996.74-180,338,982.24

Finding the Fourth Proportional to 646,690,001.60, 970,020,996.74 and 180,338,982.24

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Solution

The fourth proportional to 646,690,001.60, 970,020,996.74 and 180,338,982.24 is: 270,504,567.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,690,001.60 : 970,020,996.74 = 180,338,982.24 : x
  2. Step 2: Convert to fraction form
    646,690,001.60/970,020,996.74 = 180,338,982.24/x
  3. Step 3: Cross multiply
    646,690,001.60x = 970,020,996.74 × 180,338,982.24
  4. Step 4: Simplify right side
    646,690,001.60x = 174,932,599,303,521,984
  5. Step 5: Solve for x
    x = 174,932,599,303,521,984/646,690,001.60
  6. Step 6: Final answer
    x = 270,504,567.68

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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.