Finding the Fourth Proportional to 866,063,009.15, 1,299,105,142.55 and 572,835,122.99
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Solution
The fourth proportional to 866,063,009.15, 1,299,105,142.55 and 572,835,122.99 is: 859,259,714.64
Step by Step Solution
- Step 1: Write the proportion equation
866,063,009.15 : 1,299,105,142.55 = 572,835,122.99 : x - Step 2: Convert to fraction form
866,063,009.15/1,299,105,142.55 = 572,835,122.99/x - Step 3: Cross multiply
866,063,009.15x = 1,299,105,142.55 × 572,835,122.99 - Step 4: Simplify right side
866,063,009.15x = 744,173,054,106,706,560 - Step 5: Solve for x
x = 744,173,054,106,706,560/866,063,009.15 - Step 6: Final answer
x = 859,259,714.64
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.