Finding the Fourth Proportional to 1,148,517,516.36, 1,584,946,110.42 and 626,996,748.36
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Solution
The fourth proportional to 1,148,517,516.36, 1,584,946,110.42 and 626,996,748.36 is: 865,251,111.46
Step by Step Solution
- Step 1: Write the proportion equation
1,148,517,516.36 : 1,584,946,110.42 = 626,996,748.36 : x - Step 2: Convert to fraction form
1,148,517,516.36/1,584,946,110.42 = 626,996,748.36/x - Step 3: Cross multiply
1,148,517,516.36x = 1,584,946,110.42 × 626,996,748.36 - Step 4: Simplify right side
1,148,517,516.36x = 993,756,057,559,169,536 - Step 5: Solve for x
x = 993,756,057,559,169,536/1,148,517,516.36 - Step 6: Final answer
x = 865,251,111.46
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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.