Finding the Fourth Proportional to 776,682,023.40, 1,165,023,035.10 and 710,169,229.80
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Solution
The fourth proportional to 776,682,023.40, 1,165,023,035.10 and 710,169,229.80 is: 1,065,253,844.70
Step by Step Solution
- Step 1: Write the proportion equation
776,682,023.40 : 1,165,023,035.10 = 710,169,229.80 : x - Step 2: Convert to fraction form
776,682,023.40/1,165,023,035.10 = 710,169,229.80/x - Step 3: Cross multiply
776,682,023.40x = 1,165,023,035.10 × 710,169,229.80 - Step 4: Simplify right side
776,682,023.40x = 827,363,511,536,225,280 - Step 5: Solve for x
x = 827,363,511,536,225,280/776,682,023.40 - Step 6: Final answer
x = 1,065,253,844.70
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Double scale
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Similar ratio
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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.