Home / 1,116,801,270.74-1,541,136,039.61-640,149,927.41

Finding the Fourth Proportional to 1,116,801,270.74, 1,541,136,039.61 and 640,149,927.41

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Solution

The fourth proportional to 1,116,801,270.74, 1,541,136,039.61 and 640,149,927.41 is: 883,378,403.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,801,270.74 : 1,541,136,039.61 = 640,149,927.41 : x
  2. Step 2: Convert to fraction form
    1,116,801,270.74/1,541,136,039.61 = 640,149,927.41/x
  3. Step 3: Cross multiply
    1,116,801,270.74x = 1,541,136,039.61 × 640,149,927.41
  4. Step 4: Simplify right side
    1,116,801,270.74x = 986,558,123,880,019,840
  5. Step 5: Solve for x
    x = 986,558,123,880,019,840/1,116,801,270.74
  6. Step 6: Final answer
    x = 883,378,403.77

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Half scale
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Double scale
Find fourth proportional to 1,116,801,271.74, 1,541,136,040.99 and 640,149,928.41
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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.