Finding the Fourth Proportional to 300,935,497.60, 451,403,246.40 and 255,018,995.20
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Solution
The fourth proportional to 300,935,497.60, 451,403,246.40 and 255,018,995.20 is: 382,528,492.80
Step by Step Solution
- Step 1: Write the proportion equation
300,935,497.60 : 451,403,246.40 = 255,018,995.20 : x - Step 2: Convert to fraction form
300,935,497.60/451,403,246.40 = 255,018,995.20/x - Step 3: Cross multiply
300,935,497.60x = 451,403,246.40 × 255,018,995.20 - Step 4: Simplify right side
300,935,497.60x = 115,116,402,326,946,000 - Step 5: Solve for x
x = 115,116,402,326,946,000/300,935,497.60 - Step 6: Final answer
x = 382,528,492.80
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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.