Home / 901,082,895.60-1,351,624,343.40-287,712,015.60

Finding the Fourth Proportional to 901,082,895.60, 1,351,624,343.40 and 287,712,015.60

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Solution

The fourth proportional to 901,082,895.60, 1,351,624,343.40 and 287,712,015.60 is: 431,568,023.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,082,895.60 : 1,351,624,343.40 = 287,712,015.60 : x
  2. Step 2: Convert to fraction form
    901,082,895.60/1,351,624,343.40 = 287,712,015.60/x
  3. Step 3: Cross multiply
    901,082,895.60x = 1,351,624,343.40 × 287,712,015.60
  4. Step 4: Simplify right side
    901,082,895.60x = 388,878,564,173,640,640
  5. Step 5: Solve for x
    x = 388,878,564,173,640,640/901,082,895.60
  6. Step 6: Final answer
    x = 431,568,023.40

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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.