Finding the Fourth Proportional to 1,198,299,991.80, 1,796,316,246.90 and 707,390,225.40
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Solution
The fourth proportional to 1,198,299,991.80, 1,796,316,246.90 and 707,390,225.40 is: 1,060,416,058.98
Step by Step Solution
- Step 1: Write the proportion equation
1,198,299,991.80 : 1,796,316,246.90 = 707,390,225.40 : x - Step 2: Convert to fraction form
1,198,299,991.80/1,796,316,246.90 = 707,390,225.40/x - Step 3: Cross multiply
1,198,299,991.80x = 1,796,316,246.90 × 707,390,225.40 - Step 4: Simplify right side
1,198,299,991.80x = 1,270,696,554,784,273,152 - Step 5: Solve for x
x = 1,270,696,554,784,273,152/1,198,299,991.80 - Step 6: Final answer
x = 1,060,416,058.98
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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.