Finding the Fourth Proportional to 1,310,703,913.04, 1,966,042,417.43 and 757,654,438.95
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Solution
The fourth proportional to 1,310,703,913.04, 1,966,042,417.43 and 757,654,438.95 is: 1,136,473,882.41
Step by Step Solution
- Step 1: Write the proportion equation
1,310,703,913.04 : 1,966,042,417.43 = 757,654,438.95 : x - Step 2: Convert to fraction form
1,310,703,913.04/1,966,042,417.43 = 757,654,438.95/x - Step 3: Cross multiply
1,310,703,913.04x = 1,966,042,417.43 × 757,654,438.95 - Step 4: Simplify right side
1,310,703,913.04x = 1,489,580,764,731,722,496 - Step 5: Solve for x
x = 1,489,580,764,731,722,496/1,310,703,913.04 - Step 6: Final answer
x = 1,136,473,882.41
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.