Finding the Fourth Proportional to 7,781,802,220.96, 11,673,912,654.96 and 2,613,153,496.48
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Solution
The fourth proportional to 7,781,802,220.96, 11,673,912,654.96 and 2,613,153,496.48 is: 3,920,136,339.34
Step by Step Solution
- Step 1: Write the proportion equation
7,781,802,220.96 : 11,673,912,654.96 = 2,613,153,496.48 : x - Step 2: Convert to fraction form
7,781,802,220.96/11,673,912,654.96 = 2,613,153,496.48/x - Step 3: Cross multiply
7,781,802,220.96x = 11,673,912,654.96 × 2,613,153,496.48 - Step 4: Simplify right side
7,781,802,220.96x = 30,505,725,671,910,842,368 - Step 5: Solve for x
x = 30,505,725,671,910,842,368/7,781,802,220.96 - Step 6: Final answer
x = 3,920,136,339.34
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.