Finding the Fourth Proportional to 858,411,080.75, 1,184,539,752.18 and 487,133,110.91
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Solution
The fourth proportional to 858,411,080.75, 1,184,539,752.18 and 487,133,110.91 is: 672,205,365.72
Step by Step Solution
- Step 1: Write the proportion equation
858,411,080.75 : 1,184,539,752.18 = 487,133,110.91 : x - Step 2: Convert to fraction form
858,411,080.75/1,184,539,752.18 = 487,133,110.91/x - Step 3: Cross multiply
858,411,080.75x = 1,184,539,752.18 × 487,133,110.91 - Step 4: Simplify right side
858,411,080.75x = 577,028,534,470,081,152 - Step 5: Solve for x
x = 577,028,534,470,081,152/858,411,080.75 - Step 6: Final answer
x = 672,205,365.72
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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.