Finding the Fourth Proportional to 926,841,381.66, 1,279,064,170.44 and 503,454,909.78
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Solution
The fourth proportional to 926,841,381.66, 1,279,064,170.44 and 503,454,909.78 is: 694,780,303.59
Step by Step Solution
- Step 1: Write the proportion equation
926,841,381.66 : 1,279,064,170.44 = 503,454,909.78 : x - Step 2: Convert to fraction form
926,841,381.66/1,279,064,170.44 = 503,454,909.78/x - Step 3: Cross multiply
926,841,381.66x = 1,279,064,170.44 × 503,454,909.78 - Step 4: Simplify right side
926,841,381.66x = 643,951,136,531,700,736 - Step 5: Solve for x
x = 643,951,136,531,700,736/926,841,381.66 - Step 6: Final answer
x = 694,780,303.59
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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.