Finding the Fourth Proportional to 466,256,040.95, 643,723,718.30 and 296,805,888.68
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Solution
The fourth proportional to 466,256,040.95, 643,723,718.30 and 296,805,888.68 is: 409,776,975.50
Step by Step Solution
- Step 1: Write the proportion equation
466,256,040.95 : 643,723,718.30 = 296,805,888.68 : x - Step 2: Convert to fraction form
466,256,040.95/643,723,718.30 = 296,805,888.68/x - Step 3: Cross multiply
466,256,040.95x = 643,723,718.30 × 296,805,888.68 - Step 4: Simplify right side
466,256,040.95x = 191,060,990,270,835,872 - Step 5: Solve for x
x = 191,060,990,270,835,872/466,256,040.95 - Step 6: Final answer
x = 409,776,975.50
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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.