Finding the Fourth Proportional to 1,677,166,850.39, 2,314,593,806.48 and 924,478,330.79
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Solution
The fourth proportional to 1,677,166,850.39, 2,314,593,806.48 and 924,478,330.79 is: 1,275,837,176.35
Step by Step Solution
- Step 1: Write the proportion equation
1,677,166,850.39 : 2,314,593,806.48 = 924,478,330.79 : x - Step 2: Convert to fraction form
1,677,166,850.39/2,314,593,806.48 = 924,478,330.79/x - Step 3: Cross multiply
1,677,166,850.39x = 2,314,593,806.48 × 924,478,330.79 - Step 4: Simplify right side
1,677,166,850.39x = 2,139,791,818,663,079,424 - Step 5: Solve for x
x = 2,139,791,818,663,079,424/1,677,166,850.39 - Step 6: Final answer
x = 1,275,837,176.35
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Double scale
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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.