Home / 1,135,747,974.32-1,567,347,433.14-640,709,151.92

Finding the Fourth Proportional to 1,135,747,974.32, 1,567,347,433.14 and 640,709,151.92

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Solution

The fourth proportional to 1,135,747,974.32, 1,567,347,433.14 and 640,709,151.92 is: 884,187,220.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,135,747,974.32 : 1,567,347,433.14 = 640,709,151.92 : x
  2. Step 2: Convert to fraction form
    1,135,747,974.32/1,567,347,433.14 = 640,709,151.92/x
  3. Step 3: Cross multiply
    1,135,747,974.32x = 1,567,347,433.14 × 640,709,151.92
  4. Step 4: Simplify right side
    1,135,747,974.32x = 1,004,213,844,651,118,336
  5. Step 5: Solve for x
    x = 1,004,213,844,651,118,336/1,135,747,974.32
  6. Step 6: Final answer
    x = 884,187,220.54

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Half scale
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Double scale
Find fourth proportional to 1,135,747,975.32, 1,567,347,434.52 and 640,709,152.92
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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.