Home / 470,617,378.36-706,012,257.72-194,117,758.82

Finding the Fourth Proportional to 470,617,378.36, 706,012,257.72 and 194,117,758.82

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Solution

The fourth proportional to 470,617,378.36, 706,012,257.72 and 194,117,758.82 is: 291,212,189.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,617,378.36 : 706,012,257.72 = 194,117,758.82 : x
  2. Step 2: Convert to fraction form
    470,617,378.36/706,012,257.72 = 194,117,758.82/x
  3. Step 3: Cross multiply
    470,617,378.36x = 706,012,257.72 × 194,117,758.82
  4. Step 4: Simplify right side
    470,617,378.36x = 137,049,517,168,054,640
  5. Step 5: Solve for x
    x = 137,049,517,168,054,640/470,617,378.36
  6. Step 6: Final answer
    x = 291,212,189.50

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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.