Finding the Fourth Proportional to 4,720,505,607.84, 7,077,267,674.37 and 2,854,736,511.11
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Solution
The fourth proportional to 4,720,505,607.84, 7,077,267,674.37 and 2,854,736,511.11 is: 4,279,993,735.28
Step by Step Solution
- Step 1: Write the proportion equation
4,720,505,607.84 : 7,077,267,674.37 = 2,854,736,511.11 : x - Step 2: Convert to fraction form
4,720,505,607.84/7,077,267,674.37 = 2,854,736,511.11/x - Step 3: Cross multiply
4,720,505,607.84x = 7,077,267,674.37 × 2,854,736,511.11 - Step 4: Simplify right side
4,720,505,607.84x = 20,203,734,428,926,017,536 - Step 5: Solve for x
x = 20,203,734,428,926,017,536/4,720,505,607.84 - Step 6: Final answer
x = 4,279,993,735.28
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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.