Finding the Fourth Proportional to 5,709,102,041.19, 7,877,921,814.57 and 3,168,891,088.99
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Solution
The fourth proportional to 5,709,102,041.19, 7,877,921,814.57 and 3,168,891,088.99 is: 4,372,715,018.55
Step by Step Solution
- Step 1: Write the proportion equation
5,709,102,041.19 : 7,877,921,814.57 = 3,168,891,088.99 : x - Step 2: Convert to fraction form
5,709,102,041.19/7,877,921,814.57 = 3,168,891,088.99/x - Step 3: Cross multiply
5,709,102,041.19x = 7,877,921,814.57 × 3,168,891,088.99 - Step 4: Simplify right side
5,709,102,041.19x = 24,964,276,237,950,799,872 - Step 5: Solve for x
x = 24,964,276,237,950,799,872/5,709,102,041.19 - Step 6: Final answer
x = 4,372,715,018.55
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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.