Finding the Fourth Proportional to 210,707,879,118.93, 290,777,088,384.99 and 114,363,985,444.42
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Solution
The fourth proportional to 210,707,879,118.93, 290,777,088,384.99 and 114,363,985,444.42 is: 157,822,416,715.90
Step by Step Solution
- Step 1: Write the proportion equation
210,707,879,118.93 : 290,777,088,384.99 = 114,363,985,444.42 : x - Step 2: Convert to fraction form
210,707,879,118.93/290,777,088,384.99 = 114,363,985,444.42/x - Step 3: Cross multiply
210,707,879,118.93x = 290,777,088,384.99 × 114,363,985,444.42 - Step 4: Simplify right side
210,707,879,118.93x = 33,254,426,703,631,822,618,624 - Step 5: Solve for x
x = 33,254,426,703,631,822,618,624/210,707,879,118.93 - Step 6: Final answer
x = 157,822,416,715.90
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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.