Finding the Fourth Proportional to 765,286,233.93, 1,056,027,632.58 and 426,169,089.99
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Solution
The fourth proportional to 765,286,233.93, 1,056,027,632.58 and 426,169,089.99 is: 588,075,827.35
Step by Step Solution
- Step 1: Write the proportion equation
765,286,233.93 : 1,056,027,632.58 = 426,169,089.99 : x - Step 2: Convert to fraction form
765,286,233.93/1,056,027,632.58 = 426,169,089.99/x - Step 3: Cross multiply
765,286,233.93x = 1,056,027,632.58 × 426,169,089.99 - Step 4: Simplify right side
765,286,233.93x = 450,046,335,180,912,704 - Step 5: Solve for x
x = 450,046,335,180,912,704/765,286,233.93 - Step 6: Final answer
x = 588,075,827.35
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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.