Finding the Fourth Proportional to 5,154,718,671.99, 7,113,282,403.95 and 3,011,524,071.53
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Solution
The fourth proportional to 5,154,718,671.99, 7,113,282,403.95 and 3,011,524,071.53 is: 4,155,769,218.49
Step by Step Solution
- Step 1: Write the proportion equation
5,154,718,671.99 : 7,113,282,403.95 = 3,011,524,071.53 : x - Step 2: Convert to fraction form
5,154,718,671.99/7,113,282,403.95 = 3,011,524,071.53/x - Step 3: Cross multiply
5,154,718,671.99x = 7,113,282,403.95 × 3,011,524,071.53 - Step 4: Simplify right side
5,154,718,671.99x = 21,421,821,187,050,643,456 - Step 5: Solve for x
x = 21,421,821,187,050,643,456/5,154,718,671.99 - Step 6: Final answer
x = 4,155,769,218.49
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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.