Finding the Fourth Proportional to 1,239,750,395.40, 1,710,857,296.44 and 675,237,493.92
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Solution
The fourth proportional to 1,239,750,395.40, 1,710,857,296.44 and 675,237,493.92 is: 931,828,695.19
Step by Step Solution
- Step 1: Write the proportion equation
1,239,750,395.40 : 1,710,857,296.44 = 675,237,493.92 : x - Step 2: Convert to fraction form
1,239,750,395.40/1,710,857,296.44 = 675,237,493.92/x - Step 3: Cross multiply
1,239,750,395.40x = 1,710,857,296.44 × 675,237,493.92 - Step 4: Simplify right side
1,239,750,395.40x = 1,155,234,993,302,892,032 - Step 5: Solve for x
x = 1,155,234,993,302,892,032/1,239,750,395.40 - Step 6: Final answer
x = 931,828,695.19
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.