Finding the Fourth Proportional to 765,286,234.93, 1,056,027,633.96 and 426,169,090.99
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Solution
The fourth proportional to 765,286,234.93, 1,056,027,633.96 and 426,169,090.99 is: 588,075,828.73
Step by Step Solution
- Step 1: Write the proportion equation
765,286,234.93 : 1,056,027,633.96 = 426,169,090.99 : x - Step 2: Convert to fraction form
765,286,234.93/1,056,027,633.96 = 426,169,090.99/x - Step 3: Cross multiply
765,286,234.93x = 1,056,027,633.96 × 426,169,090.99 - Step 4: Simplify right side
765,286,234.93x = 450,046,336,825,053,696 - Step 5: Solve for x
x = 450,046,336,825,053,696/765,286,234.93 - Step 6: Final answer
x = 588,075,828.73
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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.