Finding the Fourth Proportional to 889,256,118.93, 1,226,771,036.99 and 536,719,417.17
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Solution
The fourth proportional to 889,256,118.93, 1,226,771,036.99 and 536,719,417.17 is: 740,429,918.84
Step by Step Solution
- Step 1: Write the proportion equation
889,256,118.93 : 1,226,771,036.99 = 536,719,417.17 : x - Step 2: Convert to fraction form
889,256,118.93/1,226,771,036.99 = 536,719,417.17/x - Step 3: Cross multiply
889,256,118.93x = 1,226,771,036.99 × 536,719,417.17 - Step 4: Simplify right side
889,256,118.93x = 658,431,835,965,491,840 - Step 5: Solve for x
x = 658,431,835,965,491,840/889,256,118.93 - Step 6: Final answer
x = 740,429,918.84
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1.5x scale
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.