Home / 548,048,433.21-822,774,151.89-470,819,427.09

Finding the Fourth Proportional to 548,048,433.21, 822,774,151.89 and 470,819,427.09

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Solution

The fourth proportional to 548,048,433.21, 822,774,151.89 and 470,819,427.09 is: 706,831,789.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,048,433.21 : 822,774,151.89 = 470,819,427.09 : x
  2. Step 2: Convert to fraction form
    548,048,433.21/822,774,151.89 = 470,819,427.09/x
  3. Step 3: Cross multiply
    548,048,433.21x = 822,774,151.89 × 470,819,427.09
  4. Step 4: Simplify right side
    548,048,433.21x = 387,378,054,817,310,400
  5. Step 5: Solve for x
    x = 387,378,054,817,310,400/548,048,433.21
  6. Step 6: Final answer
    x = 706,831,789.57

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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.