Finding the Fourth Proportional to 7,920,596,888,176.40, 11,880,895,332,265 and 2,832,681,090,237.20
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Solution
The fourth proportional to 7,920,596,888,176.40, 11,880,895,332,265 and 2,832,681,090,237.20 is: 4,249,021,635,355.94
Step by Step Solution
- Step 1: Write the proportion equation
7,920,596,888,176.40 : 11,880,895,332,265 = 2,832,681,090,237.20 : x - Step 2: Convert to fraction form
7,920,596,888,176.40/11,880,895,332,265 = 2,832,681,090,237.20/x - Step 3: Cross multiply
7,920,596,888,176.40x = 11,880,895,332,265 × 2,832,681,090,237.20 - Step 4: Simplify right side
7,920,596,888,176.40x = 33,654,787,542,794,483,278,020,608 - Step 5: Solve for x
x = 33,654,787,542,794,483,278,020,608/7,920,596,888,176.40 - Step 6: Final answer
x = 4,249,021,635,355.94
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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.