Home / 470,075,506.88-704,640,253.92-193,928,129.60

Finding the Fourth Proportional to 470,075,506.88, 704,640,253.92 and 193,928,129.60

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Solution

The fourth proportional to 470,075,506.88, 704,640,253.92 and 193,928,129.60 is: 290,697,057.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,075,506.88 : 704,640,253.92 = 193,928,129.60 : x
  2. Step 2: Convert to fraction form
    470,075,506.88/704,640,253.92 = 193,928,129.60/x
  3. Step 3: Cross multiply
    470,075,506.88x = 704,640,253.92 × 193,928,129.60
  4. Step 4: Simplify right side
    470,075,506.88x = 136,649,566,483,574,656
  5. Step 5: Solve for x
    x = 136,649,566,483,574,656/470,075,506.88
  6. Step 6: Final answer
    x = 290,697,057.14

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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.