Home / 879,684,482.80-1,320,270,741.60-362,486,101.60

Finding the Fourth Proportional to 879,684,482.80, 1,320,270,741.60 and 362,486,101.60

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Solution

The fourth proportional to 879,684,482.80, 1,320,270,741.60 and 362,486,101.60 is: 544,035,735.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,684,482.80 : 1,320,270,741.60 = 362,486,101.60 : x
  2. Step 2: Convert to fraction form
    879,684,482.80/1,320,270,741.60 = 362,486,101.60/x
  3. Step 3: Cross multiply
    879,684,482.80x = 1,320,270,741.60 × 362,486,101.60
  4. Step 4: Simplify right side
    879,684,482.80x = 478,579,794,179,124,928
  5. Step 5: Solve for x
    x = 478,579,794,179,124,928/879,684,482.80
  6. Step 6: Final answer
    x = 544,035,735.01

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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.