Finding the Fourth Proportional to 249,844,609,384.80, 374,814,418,050 and 82,200,398,022.24
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Solution
The fourth proportional to 249,844,609,384.80, 374,814,418,050 and 82,200,398,022.24 is: 123,316,226,129.71
Step by Step Solution
- Step 1: Write the proportion equation
249,844,609,384.80 : 374,814,418,050 = 82,200,398,022.24 : x - Step 2: Convert to fraction form
249,844,609,384.80/374,814,418,050 = 82,200,398,022.24/x - Step 3: Cross multiply
249,844,609,384.80x = 374,814,418,050 × 82,200,398,022.24 - Step 4: Simplify right side
249,844,609,384.80x = 30,809,894,348,184,258,347,008 - Step 5: Solve for x
x = 30,809,894,348,184,258,347,008/249,844,609,384.80 - Step 6: Final answer
x = 123,316,226,129.71
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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.