Home / 867,298,367.70-1,299,369,171.78-774,317,450.34

Finding the Fourth Proportional to 867,298,367.70, 1,299,369,171.78 and 774,317,450.34

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Solution

The fourth proportional to 867,298,367.70, 1,299,369,171.78 and 774,317,450.34 is: 1,160,067,009.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,298,367.70 : 1,299,369,171.78 = 774,317,450.34 : x
  2. Step 2: Convert to fraction form
    867,298,367.70/1,299,369,171.78 = 774,317,450.34/x
  3. Step 3: Cross multiply
    867,298,367.70x = 1,299,369,171.78 × 774,317,450.34
  4. Step 4: Simplify right side
    867,298,367.70x = 1,006,124,224,143,087,104
  5. Step 5: Solve for x
    x = 1,006,124,224,143,087,104/867,298,367.70
  6. Step 6: Final answer
    x = 1,160,067,009.94

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1.5x scale

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.