Finding the Fourth Proportional to 957,719,670.08, 1,321,652,560.13 and 517,686,522.08
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Solution
The fourth proportional to 957,719,670.08, 1,321,652,560.13 and 517,686,522.08 is: 714,407,084.48
Step by Step Solution
- Step 1: Write the proportion equation
957,719,670.08 : 1,321,652,560.13 = 517,686,522.08 : x - Step 2: Convert to fraction form
957,719,670.08/1,321,652,560.13 = 517,686,522.08/x - Step 3: Cross multiply
957,719,670.08x = 1,321,652,560.13 × 517,686,522.08 - Step 4: Simplify right side
957,719,670.08x = 684,201,717,256,426,112 - Step 5: Solve for x
x = 684,201,717,256,426,112/957,719,670.08 - Step 6: Final answer
x = 714,407,084.48
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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.