Finding the Fourth Proportional to 480,508,700.11, 663,107,225.36 and 282,278,549.91
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Solution
The fourth proportional to 480,508,700.11, 663,107,225.36 and 282,278,549.91 is: 389,547,464.94
Step by Step Solution
- Step 1: Write the proportion equation
480,508,700.11 : 663,107,225.36 = 282,278,549.91 : x - Step 2: Convert to fraction form
480,508,700.11/663,107,225.36 = 282,278,549.91/x - Step 3: Cross multiply
480,508,700.11x = 663,107,225.36 × 282,278,549.91 - Step 4: Simplify right side
480,508,700.11x = 187,180,946,009,464,384 - Step 5: Solve for x
x = 187,180,946,009,464,384/480,508,700.11 - Step 6: Final answer
x = 389,547,464.94
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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.