Finding the Fourth Proportional to 2,239,488,000.80, 3,359,232,001.20 and 2,157,858,663.20
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Solution
The fourth proportional to 2,239,488,000.80, 3,359,232,001.20 and 2,157,858,663.20 is: 3,236,787,994.80
Step by Step Solution
- Step 1: Write the proportion equation
2,239,488,000.80 : 3,359,232,001.20 = 2,157,858,663.20 : x - Step 2: Convert to fraction form
2,239,488,000.80/3,359,232,001.20 = 2,157,858,663.20/x - Step 3: Cross multiply
2,239,488,000.80x = 3,359,232,001.20 × 2,157,858,663.20 - Step 4: Simplify right side
2,239,488,000.80x = 7,248,747,875,488,092,160 - Step 5: Solve for x
x = 7,248,747,875,488,092,160/2,239,488,000.80 - Step 6: Final answer
x = 3,236,787,994.80
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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.