Finding the Fourth Proportional to 1,360,310,946.48, 1,877,026,636.17 and 765,559,961.02
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Solution
The fourth proportional to 1,360,310,946.48, 1,877,026,636.17 and 765,559,961.02 is: 1,056,358,799.54
Step by Step Solution
- Step 1: Write the proportion equation
1,360,310,946.48 : 1,877,026,636.17 = 765,559,961.02 : x - Step 2: Convert to fraction form
1,360,310,946.48/1,877,026,636.17 = 765,559,961.02/x - Step 3: Cross multiply
1,360,310,946.48x = 1,877,026,636.17 × 765,559,961.02 - Step 4: Simplify right side
1,360,310,946.48x = 1,436,976,438,419,806,976 - Step 5: Solve for x
x = 1,436,976,438,419,806,976/1,360,310,946.48 - Step 6: Final answer
x = 1,056,358,799.54
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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.