Finding the Fourth Proportional to 1,657,855,912.68, 2,288,041,777.08 and 943,565,135.82
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Solution
The fourth proportional to 1,657,855,912.68, 2,288,041,777.08 and 943,565,135.82 is: 1,302,234,068.50
Step by Step Solution
- Step 1: Write the proportion equation
1,657,855,912.68 : 2,288,041,777.08 = 943,565,135.82 : x - Step 2: Convert to fraction form
1,657,855,912.68/2,288,041,777.08 = 943,565,135.82/x - Step 3: Cross multiply
1,657,855,912.68x = 2,288,041,777.08 × 943,565,135.82 - Step 4: Simplify right side
1,657,855,912.68x = 2,158,916,450,152,324,352 - Step 5: Solve for x
x = 2,158,916,450,152,324,352/1,657,855,912.68 - Step 6: Final answer
x = 1,302,234,068.50
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.