Finding the Fourth Proportional to 511,488,001.80, 767,232,002.70 and 293,137,921.80
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Solution
The fourth proportional to 511,488,001.80, 767,232,002.70 and 293,137,921.80 is: 439,706,882.70
Step by Step Solution
- Step 1: Write the proportion equation
511,488,001.80 : 767,232,002.70 = 293,137,921.80 : x - Step 2: Convert to fraction form
511,488,001.80/767,232,002.70 = 293,137,921.80/x - Step 3: Cross multiply
511,488,001.80x = 767,232,002.70 × 293,137,921.80 - Step 4: Simplify right side
511,488,001.80x = 224,904,794,809,930,016 - Step 5: Solve for x
x = 224,904,794,809,930,016/511,488,001.80 - Step 6: Final answer
x = 439,706,882.70
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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.