Home / 10,135,510,837.44-13,987,833,247.80-5,620,803,806.40

Finding the Fourth Proportional to 10,135,510,837.44, 13,987,833,247.80 and 5,620,803,806.40

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Solution

The fourth proportional to 10,135,510,837.44, 13,987,833,247.80 and 5,620,803,806.40 is: 7,757,168,595.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,135,510,837.44 : 13,987,833,247.80 = 5,620,803,806.40 : x
  2. Step 2: Convert to fraction form
    10,135,510,837.44/13,987,833,247.80 = 5,620,803,806.40/x
  3. Step 3: Cross multiply
    10,135,510,837.44x = 13,987,833,247.80 × 5,620,803,806.40
  4. Step 4: Simplify right side
    10,135,510,837.44x = 78,622,866,362,522,697,728
  5. Step 5: Solve for x
    x = 78,622,866,362,522,697,728/10,135,510,837.44
  6. Step 6: Final answer
    x = 7,757,168,595.01

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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.