Home / 3,507,519,273.56-5,260,643,149.34-1,408,911,121.32

Finding the Fourth Proportional to 3,507,519,273.56, 5,260,643,149.34 and 1,408,911,121.32

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Solution

The fourth proportional to 3,507,519,273.56, 5,260,643,149.34 and 1,408,911,121.32 is: 2,113,111,307.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,507,519,273.56 : 5,260,643,149.34 = 1,408,911,121.32 : x
  2. Step 2: Convert to fraction form
    3,507,519,273.56/5,260,643,149.34 = 1,408,911,121.32/x
  3. Step 3: Cross multiply
    3,507,519,273.56x = 5,260,643,149.34 × 1,408,911,121.32
  4. Step 4: Simplify right side
    3,507,519,273.56x = 7,411,778,638,400,995,328
  5. Step 5: Solve for x
    x = 7,411,778,638,400,995,328/3,507,519,273.56
  6. Step 6: Final answer
    x = 2,113,111,307.55

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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.