Finding the Fourth Proportional to 43,602,934,680.79, 60,183,245,459.09 and 28,398,913,536.17
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Solution
The fourth proportional to 43,602,934,680.79, 60,183,245,459.09 and 28,398,913,536.17 is: 39,197,792,456.66
Step by Step Solution
- Step 1: Write the proportion equation
43,602,934,680.79 : 60,183,245,459.09 = 28,398,913,536.17 : x - Step 2: Convert to fraction form
43,602,934,680.79/60,183,245,459.09 = 28,398,913,536.17/x - Step 3: Cross multiply
43,602,934,680.79x = 60,183,245,459.09 × 28,398,913,536.17 - Step 4: Simplify right side
43,602,934,680.79x = 1,709,138,784,118,973,136,896 - Step 5: Solve for x
x = 1,709,138,784,118,973,136,896/43,602,934,680.79 - Step 6: Final answer
x = 39,197,792,456.66
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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.