Finding the Fourth Proportional to 763,206,026.36, 1,053,349,266.35 and 635,844,732.84
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Solution
The fourth proportional to 763,206,026.36, 1,053,349,266.35 and 635,844,732.84 is: 877,569,830.06
Step by Step Solution
- Step 1: Write the proportion equation
763,206,026.36 : 1,053,349,266.35 = 635,844,732.84 : x - Step 2: Convert to fraction form
763,206,026.36/1,053,349,266.35 = 635,844,732.84/x - Step 3: Cross multiply
763,206,026.36x = 1,053,349,266.35 × 635,844,732.84 - Step 4: Simplify right side
763,206,026.36x = 669,766,582,851,115,392 - Step 5: Solve for x
x = 669,766,582,851,115,392/763,206,026.36 - Step 6: Final answer
x = 877,569,830.06
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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.