Finding the Fourth Proportional to 967,721,601.60, 1,451,582,402.40 and 321,489,345.60
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Solution
The fourth proportional to 967,721,601.60, 1,451,582,402.40 and 321,489,345.60 is: 482,234,018.40
Step by Step Solution
- Step 1: Write the proportion equation
967,721,601.60 : 1,451,582,402.40 = 321,489,345.60 : x - Step 2: Convert to fraction form
967,721,601.60/1,451,582,402.40 = 321,489,345.60/x - Step 3: Cross multiply
967,721,601.60x = 1,451,582,402.40 × 321,489,345.60 - Step 4: Simplify right side
967,721,601.60x = 466,668,276,632,051,904 - Step 5: Solve for x
x = 466,668,276,632,051,904/967,721,601.60 - Step 6: Final answer
x = 482,234,018.40
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Double scale
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Similar ratio
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.