Finding the Fourth Proportional to 1,657,877,151.96, 2,288,071,113.12 and 943,586,385.84
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Solution
The fourth proportional to 1,657,877,151.96, 2,288,071,113.12 and 943,586,385.84 is: 1,302,263,409.34
Step by Step Solution
- Step 1: Write the proportion equation
1,657,877,151.96 : 2,288,071,113.12 = 943,586,385.84 : x - Step 2: Convert to fraction form
1,657,877,151.96/2,288,071,113.12 = 943,586,385.84/x - Step 3: Cross multiply
1,657,877,151.96x = 2,288,071,113.12 × 943,586,385.84 - Step 4: Simplify right side
1,657,877,151.96x = 2,158,992,752,173,806,592 - Step 5: Solve for x
x = 2,158,992,752,173,806,592/1,657,877,151.96 - Step 6: Final answer
x = 1,302,263,409.34
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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.