Finding the Fourth Proportional to 797,181,515.60, 1,195,772,273.40 and 688,129,822.40
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Solution
The fourth proportional to 797,181,515.60, 1,195,772,273.40 and 688,129,822.40 is: 1,032,194,733.60
Step by Step Solution
- Step 1: Write the proportion equation
797,181,515.60 : 1,195,772,273.40 = 688,129,822.40 : x - Step 2: Convert to fraction form
797,181,515.60/1,195,772,273.40 = 688,129,822.40/x - Step 3: Cross multiply
797,181,515.60x = 1,195,772,273.40 × 688,129,822.40 - Step 4: Simplify right side
797,181,515.60x = 822,846,562,125,586,304 - Step 5: Solve for x
x = 822,846,562,125,586,304/797,181,515.60 - Step 6: Final answer
x = 1,032,194,733.60
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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.