Finding the Fourth Proportional to 7,407,298,491.54, 10,230,555,702.04 and 4,878,285,721.26
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Solution
The fourth proportional to 7,407,298,491.54, 10,230,555,702.04 and 4,878,285,721.26 is: 6,737,621,530.82
Step by Step Solution
- Step 1: Write the proportion equation
7,407,298,491.54 : 10,230,555,702.04 = 4,878,285,721.26 : x - Step 2: Convert to fraction form
7,407,298,491.54/10,230,555,702.04 = 4,878,285,721.26/x - Step 3: Cross multiply
7,407,298,491.54x = 10,230,555,702.04 × 4,878,285,721.26 - Step 4: Simplify right side
7,407,298,491.54x = 49,907,573,801,816,817,664 - Step 5: Solve for x
x = 49,907,573,801,816,817,664/7,407,298,491.54 - Step 6: Final answer
x = 6,737,621,530.82
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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.