Finding the Fourth Proportional to 7,686,557,305.08, 10,607,464,711.50 and 4,166,294,505.72
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Solution
The fourth proportional to 7,686,557,305.08, 10,607,464,711.50 and 4,166,294,505.72 is: 5,749,494,889.99
Step by Step Solution
- Step 1: Write the proportion equation
7,686,557,305.08 : 10,607,464,711.50 = 4,166,294,505.72 : x - Step 2: Convert to fraction form
7,686,557,305.08/10,607,464,711.50 = 4,166,294,505.72/x - Step 3: Cross multiply
7,686,557,305.08x = 10,607,464,711.50 × 4,166,294,505.72 - Step 4: Simplify right side
7,686,557,305.08x = 44,193,821,947,141,234,688 - Step 5: Solve for x
x = 44,193,821,947,141,234,688/7,686,557,305.08 - Step 6: Final answer
x = 5,749,494,889.99
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1.5x scale
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.