Finding the Fourth Proportional to 938,112,240.06, 1,294,618,716.99 and 514,725,789.24
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Solution
The fourth proportional to 938,112,240.06, 1,294,618,716.99 and 514,725,789.24 is: 710,334,661.90
Step by Step Solution
- Step 1: Write the proportion equation
938,112,240.06 : 1,294,618,716.99 = 514,725,789.24 : x - Step 2: Convert to fraction form
938,112,240.06/1,294,618,716.99 = 514,725,789.24/x - Step 3: Cross multiply
938,112,240.06x = 1,294,618,716.99 × 514,725,789.24 - Step 4: Simplify right side
938,112,240.06x = 666,373,640,867,553,920 - Step 5: Solve for x
x = 666,373,640,867,553,920/938,112,240.06 - Step 6: Final answer
x = 710,334,661.90
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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.