Home / 470,075,507.88-704,640,255.42-193,928,130.60

Finding the Fourth Proportional to 470,075,507.88, 704,640,255.42 and 193,928,130.60

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Solution

The fourth proportional to 470,075,507.88, 704,640,255.42 and 193,928,130.60 is: 290,697,058.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,075,507.88 : 704,640,255.42 = 193,928,130.60 : x
  2. Step 2: Convert to fraction form
    470,075,507.88/704,640,255.42 = 193,928,130.60/x
  3. Step 3: Cross multiply
    470,075,507.88x = 704,640,255.42 × 193,928,130.60
  4. Step 4: Simplify right side
    470,075,507.88x = 136,649,567,479,107,104
  5. Step 5: Solve for x
    x = 136,649,567,479,107,104/470,075,507.88
  6. Step 6: Final answer
    x = 290,697,058.64

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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.