Finding the Fourth Proportional to 1,163,710,767.60, 1,605,954,873.78 and 635,108,679.09
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Solution
The fourth proportional to 1,163,710,767.60, 1,605,954,873.78 and 635,108,679.09 is: 876,468,540.95
Step by Step Solution
- Step 1: Write the proportion equation
1,163,710,767.60 : 1,605,954,873.78 = 635,108,679.09 : x - Step 2: Convert to fraction form
1,163,710,767.60/1,605,954,873.78 = 635,108,679.09/x - Step 3: Cross multiply
1,163,710,767.60x = 1,605,954,873.78 × 635,108,679.09 - Step 4: Simplify right side
1,163,710,767.60x = 1,019,955,878,564,563,456 - Step 5: Solve for x
x = 1,019,955,878,564,563,456/1,163,710,767.60 - Step 6: Final answer
x = 876,468,540.95
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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.