Finding the Fourth Proportional to 832,718,857.28, 1,149,158,869.44 and 461,447,088.96
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Solution
The fourth proportional to 832,718,857.28, 1,149,158,869.44 and 461,447,088.96 is: 636,800,776.66
Step by Step Solution
- Step 1: Write the proportion equation
832,718,857.28 : 1,149,158,869.44 = 461,447,088.96 : x - Step 2: Convert to fraction form
832,718,857.28/1,149,158,869.44 = 461,447,088.96/x - Step 3: Cross multiply
832,718,857.28x = 1,149,158,869.44 × 461,447,088.96 - Step 4: Simplify right side
832,718,857.28x = 530,276,015,055,652,736 - Step 5: Solve for x
x = 530,276,015,055,652,736/832,718,857.28 - Step 6: Final answer
x = 636,800,776.66
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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.