Finding the Fourth Proportional to 980,201,724.59, 1,352,639,021.12 and 534,155,581.08
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Solution
The fourth proportional to 980,201,724.59, 1,352,639,021.12 and 534,155,581.08 is: 737,113,253.52
Step by Step Solution
- Step 1: Write the proportion equation
980,201,724.59 : 1,352,639,021.12 = 534,155,581.08 : x - Step 2: Convert to fraction form
980,201,724.59/1,352,639,021.12 = 534,155,581.08/x - Step 3: Cross multiply
980,201,724.59x = 1,352,639,021.12 × 534,155,581.08 - Step 4: Simplify right side
980,201,724.59x = 722,519,682,315,165,184 - Step 5: Solve for x
x = 722,519,682,315,165,184/980,201,724.59 - Step 6: Final answer
x = 737,113,253.52
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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.