Finding the Fourth Proportional to 889,256,117.93, 1,226,771,035.61 and 536,719,416.17
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Solution
The fourth proportional to 889,256,117.93, 1,226,771,035.61 and 536,719,416.17 is: 740,429,917.46
Step by Step Solution
- Step 1: Write the proportion equation
889,256,117.93 : 1,226,771,035.61 = 536,719,416.17 : x - Step 2: Convert to fraction form
889,256,117.93/1,226,771,035.61 = 536,719,416.17/x - Step 3: Cross multiply
889,256,117.93x = 1,226,771,035.61 × 536,719,416.17 - Step 4: Simplify right side
889,256,117.93x = 658,431,833,998,048,128 - Step 5: Solve for x
x = 658,431,833,998,048,128/889,256,117.93 - Step 6: Final answer
x = 740,429,917.46
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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.