Home / 1,089,106,886.40-1,633,809,628.80-362,019,782.40

Finding the Fourth Proportional to 1,089,106,886.40, 1,633,809,628.80 and 362,019,782.40

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Solution

The fourth proportional to 1,089,106,886.40, 1,633,809,628.80 and 362,019,782.40 is: 543,079,300.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,106,886.40 : 1,633,809,628.80 = 362,019,782.40 : x
  2. Step 2: Convert to fraction form
    1,089,106,886.40/1,633,809,628.80 = 362,019,782.40/x
  3. Step 3: Cross multiply
    1,089,106,886.40x = 1,633,809,628.80 × 362,019,782.40
  4. Step 4: Simplify right side
    1,089,106,886.40x = 591,471,406,301,200,768
  5. Step 5: Solve for x
    x = 591,471,406,301,200,768/1,089,106,886.40
  6. Step 6: Final answer
    x = 543,079,300.74

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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.