Home / 9,308,729,691.81-12,846,319,515.36-5,079,914,151.54

Finding the Fourth Proportional to 9,308,729,691.81, 12,846,319,515.36 and 5,079,914,151.54

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Solution

The fourth proportional to 9,308,729,691.81, 12,846,319,515.36 and 5,079,914,151.54 is: 7,010,430,258.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,308,729,691.81 : 12,846,319,515.36 = 5,079,914,151.54 : x
  2. Step 2: Convert to fraction form
    9,308,729,691.81/12,846,319,515.36 = 5,079,914,151.54/x
  3. Step 3: Cross multiply
    9,308,729,691.81x = 12,846,319,515.36 × 5,079,914,151.54
  4. Step 4: Simplify right side
    9,308,729,691.81x = 65,258,200,301,281,738,752
  5. Step 5: Solve for x
    x = 65,258,200,301,281,738,752/9,308,729,691.81
  6. Step 6: Final answer
    x = 7,010,430,258.67

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1.5x scale

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.