Finding the Fourth Proportional to 1,152,548,203.70, 1,728,563,560.13 and 530,165,691.18
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Solution
The fourth proportional to 1,152,548,203.70, 1,728,563,560.13 and 530,165,691.18 is: 795,129,515.33
Step by Step Solution
- Step 1: Write the proportion equation
1,152,548,203.70 : 1,728,563,560.13 = 530,165,691.18 : x - Step 2: Convert to fraction form
1,152,548,203.70/1,728,563,560.13 = 530,165,691.18/x - Step 3: Cross multiply
1,152,548,203.70x = 1,728,563,560.13 × 530,165,691.18 - Step 4: Simplify right side
1,152,548,203.70x = 916,425,094,606,208,384 - Step 5: Solve for x
x = 916,425,094,606,208,384/1,152,548,203.70 - Step 6: Final answer
x = 795,129,515.33
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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.