Home / 2,997,531,660.76-4,136,429,811.21-1,640,903,121.43

Finding the Fourth Proportional to 2,997,531,660.76, 4,136,429,811.21 and 1,640,903,121.43

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Solution

The fourth proportional to 2,997,531,660.76, 4,136,429,811.21 and 1,640,903,121.43 is: 2,264,356,596.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,997,531,660.76 : 4,136,429,811.21 = 1,640,903,121.43 : x
  2. Step 2: Convert to fraction form
    2,997,531,660.76/4,136,429,811.21 = 1,640,903,121.43/x
  3. Step 3: Cross multiply
    2,997,531,660.76x = 4,136,429,811.21 × 1,640,903,121.43
  4. Step 4: Simplify right side
    2,997,531,660.76x = 6,787,480,588,774,018,048
  5. Step 5: Solve for x
    x = 6,787,480,588,774,018,048/2,997,531,660.76
  6. Step 6: Final answer
    x = 2,264,356,596.34

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Double scale
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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.