Finding the Fourth Proportional to 842,798,844.96, 1,163,064,894.36 and 466,481,570.08
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Solution
The fourth proportional to 842,798,844.96, 1,163,064,894.36 and 466,481,570.08 is: 643,745,943.97
Step by Step Solution
- Step 1: Write the proportion equation
842,798,844.96 : 1,163,064,894.36 = 466,481,570.08 : x - Step 2: Convert to fraction form
842,798,844.96/1,163,064,894.36 = 466,481,570.08/x - Step 3: Cross multiply
842,798,844.96x = 1,163,064,894.36 × 466,481,570.08 - Step 4: Simplify right side
842,798,844.96x = 542,548,338,025,982,080 - Step 5: Solve for x
x = 542,548,338,025,982,080/842,798,844.96 - Step 6: Final answer
x = 643,745,943.97
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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.