Finding the Fourth Proportional to 842,798,836.92, 1,163,064,883.30 and 466,481,562.06
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Solution
The fourth proportional to 842,798,836.92, 1,163,064,883.30 and 466,481,562.06 is: 643,745,932.92
Step by Step Solution
- Step 1: Write the proportion equation
842,798,836.92 : 1,163,064,883.30 = 466,481,562.06 : x - Step 2: Convert to fraction form
842,798,836.92/1,163,064,883.30 = 466,481,562.06/x - Step 3: Cross multiply
842,798,836.92x = 1,163,064,883.30 × 466,481,562.06 - Step 4: Simplify right side
842,798,836.92x = 542,548,323,538,915,584 - Step 5: Solve for x
x = 542,548,323,538,915,584/842,798,836.92 - Step 6: Final answer
x = 643,745,932.92
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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.