Finding the Fourth Proportional to 883,063,921.01, 1,218,573,302.79 and 486,564,722.07
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Solution
The fourth proportional to 883,063,921.01, 1,218,573,302.79 and 486,564,722.07 is: 671,429,062.26
Step by Step Solution
- Step 1: Write the proportion equation
883,063,921.01 : 1,218,573,302.79 = 486,564,722.07 : x - Step 2: Convert to fraction form
883,063,921.01/1,218,573,302.79 = 486,564,722.07/x - Step 3: Cross multiply
883,063,921.01x = 1,218,573,302.79 × 486,564,722.07 - Step 4: Simplify right side
883,063,921.01x = 592,914,780,393,938,304 - Step 5: Solve for x
x = 592,914,780,393,938,304/883,063,921.01 - Step 6: Final answer
x = 671,429,062.26
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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.