Home / 1,249,691,743.44-1,724,508,693.90-713,738,042.10

Finding the Fourth Proportional to 1,249,691,743.44, 1,724,508,693.90 and 713,738,042.10

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Solution

The fourth proportional to 1,249,691,743.44, 1,724,508,693.90 and 713,738,042.10 is: 984,920,853.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,691,743.44 : 1,724,508,693.90 = 713,738,042.10 : x
  2. Step 2: Convert to fraction form
    1,249,691,743.44/1,724,508,693.90 = 713,738,042.10/x
  3. Step 3: Cross multiply
    1,249,691,743.44x = 1,724,508,693.90 × 713,738,042.10
  4. Step 4: Simplify right side
    1,249,691,743.44x = 1,230,847,458,768,614,400
  5. Step 5: Solve for x
    x = 1,230,847,458,768,614,400/1,249,691,743.44
  6. Step 6: Final answer
    x = 984,920,853.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.