Finding the Fourth Proportional to 272,814,252.80, 409,512,693.12 and 117,444,960
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Solution
The fourth proportional to 272,814,252.80, 409,512,693.12 and 117,444,960 is: 176,292,848.96
Step by Step Solution
- Step 1: Write the proportion equation
272,814,252.80 : 409,512,693.12 = 117,444,960 : x - Step 2: Convert to fraction form
272,814,252.80/409,512,693.12 = 117,444,960/x - Step 3: Cross multiply
272,814,252.80x = 409,512,693.12 × 117,444,960 - Step 4: Simplify right side
272,814,252.80x = 48,095,201,862,970,672 - Step 5: Solve for x
x = 48,095,201,862,970,672/272,814,252.80 - Step 6: Final answer
x = 176,292,848.96
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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.