Finding the Fourth Proportional to 272,227,563,501.06, 375,843,579,519.09 and 173,292,648,275.49
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Solution
The fourth proportional to 272,227,563,501.06, 375,843,579,519.09 and 173,292,648,275.49 is: 239,251,780,365.54
Step by Step Solution
- Step 1: Write the proportion equation
272,227,563,501.06 : 375,843,579,519.09 = 173,292,648,275.49 : x - Step 2: Convert to fraction form
272,227,563,501.06/375,843,579,519.09 = 173,292,648,275.49/x - Step 3: Cross multiply
272,227,563,501.06x = 375,843,579,519.09 × 173,292,648,275.49 - Step 4: Simplify right side
272,227,563,501.06x = 65,130,929,232,202,822,582,272 - Step 5: Solve for x
x = 65,130,929,232,202,822,582,272/272,227,563,501.06 - Step 6: Final answer
x = 239,251,780,365.54
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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.