Home / 863,014,167.38-1,191,283,415.07-565,675,559.57

Finding the Fourth Proportional to 863,014,167.38, 1,191,283,415.07 and 565,675,559.57

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Solution

The fourth proportional to 863,014,167.38, 1,191,283,415.07 and 565,675,559.57 is: 780,844,553.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,014,167.38 : 1,191,283,415.07 = 565,675,559.57 : x
  2. Step 2: Convert to fraction form
    863,014,167.38/1,191,283,415.07 = 565,675,559.57/x
  3. Step 3: Cross multiply
    863,014,167.38x = 1,191,283,415.07 × 565,675,559.57
  4. Step 4: Simplify right side
    863,014,167.38x = 673,879,912,426,182,784
  5. Step 5: Solve for x
    x = 673,879,912,426,182,784/863,014,167.38
  6. Step 6: Final answer
    x = 780,844,553.77

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Half scale
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Double scale
Find fourth proportional to 863,014,168.38, 1,191,283,416.45 and 565,675,560.57
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.