Finding the Fourth Proportional to 898,649,530.80, 1,347,974,296.20 and 753,530,708.40
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Solution
The fourth proportional to 898,649,530.80, 1,347,974,296.20 and 753,530,708.40 is: 1,130,296,062.60
Step by Step Solution
- Step 1: Write the proportion equation
898,649,530.80 : 1,347,974,296.20 = 753,530,708.40 : x - Step 2: Convert to fraction form
898,649,530.80/1,347,974,296.20 = 753,530,708.40/x - Step 3: Cross multiply
898,649,530.80x = 1,347,974,296.20 × 753,530,708.40 - Step 4: Simplify right side
898,649,530.80x = 1,015,740,026,320,577,408 - Step 5: Solve for x
x = 1,015,740,026,320,577,408/898,649,530.80 - Step 6: Final answer
x = 1,130,296,062.60
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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.