Finding the Fourth Proportional to 851,306,398.74, 1,174,802,310.63 and 460,165,822.74
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Solution
The fourth proportional to 851,306,398.74, 1,174,802,310.63 and 460,165,822.74 is: 635,028,554.50
Step by Step Solution
- Step 1: Write the proportion equation
851,306,398.74 : 1,174,802,310.63 = 460,165,822.74 : x - Step 2: Convert to fraction form
851,306,398.74/1,174,802,310.63 = 460,165,822.74/x - Step 3: Cross multiply
851,306,398.74x = 1,174,802,310.63 × 460,165,822.74 - Step 4: Simplify right side
851,306,398.74x = 540,603,871,827,907,072 - Step 5: Solve for x
x = 540,603,871,827,907,072/851,306,398.74 - Step 6: Final answer
x = 635,028,554.50
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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.