Finding the Fourth Proportional to 888,182,898.53, 1,225,820,669.38 and 511,767,420.26
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Solution
The fourth proportional to 888,182,898.53, 1,225,820,669.38 and 511,767,420.26 is: 706,312,948.27
Step by Step Solution
- Step 1: Write the proportion equation
888,182,898.53 : 1,225,820,669.38 = 511,767,420.26 : x - Step 2: Convert to fraction form
888,182,898.53/1,225,820,669.38 = 511,767,420.26/x - Step 3: Cross multiply
888,182,898.53x = 1,225,820,669.38 × 511,767,420.26 - Step 4: Simplify right side
888,182,898.53x = 627,335,081,662,580,480 - Step 5: Solve for x
x = 627,335,081,662,580,480/888,182,898.53 - Step 6: Final answer
x = 706,312,948.27
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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.