Finding the Fourth Proportional to 874,727,499.56, 1,207,149,143.58 and 483,612,117.80
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Solution
The fourth proportional to 874,727,499.56, 1,207,149,143.58 and 483,612,117.80 is: 667,398,651.72
Step by Step Solution
- Step 1: Write the proportion equation
874,727,499.56 : 1,207,149,143.58 = 483,612,117.80 : x - Step 2: Convert to fraction form
874,727,499.56/1,207,149,143.58 = 483,612,117.80/x - Step 3: Cross multiply
874,727,499.56x = 1,207,149,143.58 × 483,612,117.80 - Step 4: Simplify right side
874,727,499.56x = 583,791,953,827,180,032 - Step 5: Solve for x
x = 583,791,953,827,180,032/874,727,499.56 - Step 6: Final answer
x = 667,398,651.72
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1.5x scale
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.