Finding the Fourth Proportional to 922,660,054.29, 1,273,274,249.45 and 499,273,719.30
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Solution
The fourth proportional to 922,660,054.29, 1,273,274,249.45 and 499,273,719.30 is: 688,999,558.67
Step by Step Solution
- Step 1: Write the proportion equation
922,660,054.29 : 1,273,274,249.45 = 499,273,719.30 : x - Step 2: Convert to fraction form
922,660,054.29/1,273,274,249.45 = 499,273,719.30/x - Step 3: Cross multiply
922,660,054.29x = 1,273,274,249.45 × 499,273,719.30 - Step 4: Simplify right side
922,660,054.29x = 635,712,370,209,321,088 - Step 5: Solve for x
x = 635,712,370,209,321,088/922,660,054.29 - Step 6: Final answer
x = 688,999,558.67
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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.