Finding the Fourth Proportional to 6,445,824,369.80, 9,668,736,554.70 and 1,787,689,329.80
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Solution
The fourth proportional to 6,445,824,369.80, 9,668,736,554.70 and 1,787,689,329.80 is: 2,681,533,994.70
Step by Step Solution
- Step 1: Write the proportion equation
6,445,824,369.80 : 9,668,736,554.70 = 1,787,689,329.80 : x - Step 2: Convert to fraction form
6,445,824,369.80/9,668,736,554.70 = 1,787,689,329.80/x - Step 3: Cross multiply
6,445,824,369.80x = 9,668,736,554.70 × 1,787,689,329.80 - Step 4: Simplify right side
6,445,824,369.80x = 17,284,697,171,484,405,760 - Step 5: Solve for x
x = 17,284,697,171,484,405,760/6,445,824,369.80 - Step 6: Final answer
x = 2,681,533,994.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.