Home / 5,480,585,052.48-8,219,035,071.36-1,986,259,086.72

Finding the Fourth Proportional to 5,480,585,052.48, 8,219,035,071.36 and 1,986,259,086.72

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Solution

The fourth proportional to 5,480,585,052.48, 8,219,035,071.36 and 1,986,259,086.72 is: 2,978,720,873.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,480,585,052.48 : 8,219,035,071.36 = 1,986,259,086.72 : x
  2. Step 2: Convert to fraction form
    5,480,585,052.48/8,219,035,071.36 = 1,986,259,086.72/x
  3. Step 3: Cross multiply
    5,480,585,052.48x = 8,219,035,071.36 × 1,986,259,086.72
  4. Step 4: Simplify right side
    5,480,585,052.48x = 16,325,133,094,559,162,368
  5. Step 5: Solve for x
    x = 16,325,133,094,559,162,368/5,480,585,052.48
  6. Step 6: Final answer
    x = 2,978,720,873.45

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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.