Home / 470,617,477.72-706,012,406.55-194,117,857.97

Finding the Fourth Proportional to 470,617,477.72, 706,012,406.55 and 194,117,857.97

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Solution

The fourth proportional to 470,617,477.72, 706,012,406.55 and 194,117,857.97 is: 291,212,338.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,617,477.72 : 706,012,406.55 = 194,117,857.97 : x
  2. Step 2: Convert to fraction form
    470,617,477.72/706,012,406.55 = 194,117,857.97/x
  3. Step 3: Cross multiply
    470,617,477.72x = 706,012,406.55 × 194,117,857.97
  4. Step 4: Simplify right side
    470,617,477.72x = 137,049,616,056,200,736
  5. Step 5: Solve for x
    x = 137,049,616,056,200,736/470,617,477.72
  6. Step 6: Final answer
    x = 291,212,338.14

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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.