Finding the Fourth Proportional to 1,332,196,037.95, 1,838,452,297.40 and 729,356,602.99
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Solution
The fourth proportional to 1,332,196,037.95, 1,838,452,297.40 and 729,356,602.99 is: 1,006,524,028.14
Step by Step Solution
- Step 1: Write the proportion equation
1,332,196,037.95 : 1,838,452,297.40 = 729,356,602.99 : x - Step 2: Convert to fraction form
1,332,196,037.95/1,838,452,297.40 = 729,356,602.99/x - Step 3: Cross multiply
1,332,196,037.95x = 1,838,452,297.40 × 729,356,602.99 - Step 4: Simplify right side
1,332,196,037.95x = 1,340,887,322,390,825,216 - Step 5: Solve for x
x = 1,340,887,322,390,825,216/1,332,196,037.95 - Step 6: Final answer
x = 1,006,524,028.14
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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.