Finding the Fourth Proportional to 1,317,673,020,177.10, 1,818,288,974,990.20 and 739,497,874,555.62
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Solution
The fourth proportional to 1,317,673,020,177.10, 1,818,288,974,990.20 and 739,497,874,555.62 is: 1,020,451,061,639.29
Step by Step Solution
- Step 1: Write the proportion equation
1,317,673,020,177.10 : 1,818,288,974,990.20 = 739,497,874,555.62 : x - Step 2: Convert to fraction form
1,317,673,020,177.10/1,818,288,974,990.20 = 739,497,874,555.62/x - Step 3: Cross multiply
1,317,673,020,177.10x = 1,818,288,974,990.20 × 739,497,874,555.62 - Step 4: Simplify right side
1,317,673,020,177.10x = 1,344,620,832,333,169,684,381,696 - Step 5: Solve for x
x = 1,344,620,832,333,169,684,381,696/1,317,673,020,177.10 - Step 6: Final answer
x = 1,020,451,061,639.29
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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.