Home / 646,751,291.70-970,134,717.06-180,384,318.35

Finding the Fourth Proportional to 646,751,291.70, 970,134,717.06 and 180,384,318.35

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Solution

The fourth proportional to 646,751,291.70, 970,134,717.06 and 180,384,318.35 is: 270,578,647.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,751,291.70 : 970,134,717.06 = 180,384,318.35 : x
  2. Step 2: Convert to fraction form
    646,751,291.70/970,134,717.06 = 180,384,318.35/x
  3. Step 3: Cross multiply
    646,751,291.70x = 970,134,717.06 × 180,384,318.35
  4. Step 4: Simplify right side
    646,751,291.70x = 174,997,089,639,687,520
  5. Step 5: Solve for x
    x = 174,997,089,639,687,520/646,751,291.70
  6. Step 6: Final answer
    x = 270,578,647.29

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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.