Finding the Fourth Proportional to 2,912,264,329.70, 4,368,396,494.55 and 1,071,636,140.90
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Solution
The fourth proportional to 2,912,264,329.70, 4,368,396,494.55 and 1,071,636,140.90 is: 1,607,454,211.35
Step by Step Solution
- Step 1: Write the proportion equation
2,912,264,329.70 : 4,368,396,494.55 = 1,071,636,140.90 : x - Step 2: Convert to fraction form
2,912,264,329.70/4,368,396,494.55 = 1,071,636,140.90/x - Step 3: Cross multiply
2,912,264,329.70x = 4,368,396,494.55 × 1,071,636,140.90 - Step 4: Simplify right side
2,912,264,329.70x = 4,681,331,561,340,649,472 - Step 5: Solve for x
x = 4,681,331,561,340,649,472/2,912,264,329.70 - Step 6: Final answer
x = 1,607,454,211.35
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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.