Finding the Fourth Proportional to 10,352,544,165.70, 15,528,816,248.55 and 8,514,372,415.30
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Solution
The fourth proportional to 10,352,544,165.70, 15,528,816,248.55 and 8,514,372,415.30 is: 12,771,558,622.95
Step by Step Solution
- Step 1: Write the proportion equation
10,352,544,165.70 : 15,528,816,248.55 = 8,514,372,415.30 : x - Step 2: Convert to fraction form
10,352,544,165.70/15,528,816,248.55 = 8,514,372,415.30/x - Step 3: Cross multiply
10,352,544,165.70x = 15,528,816,248.55 × 8,514,372,415.30 - Step 4: Simplify right side
10,352,544,165.70x = 132,218,124,708,916,543,488 - Step 5: Solve for x
x = 132,218,124,708,916,543,488/10,352,544,165.70 - Step 6: Final answer
x = 12,771,558,622.95
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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.