Finding the Fourth Proportional to 1,253,244,773.68, 1,879,929,602.12 and 476,950,599.80
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Solution
The fourth proportional to 1,253,244,773.68, 1,879,929,602.12 and 476,950,599.80 is: 715,449,663.26
Step by Step Solution
- Step 1: Write the proportion equation
1,253,244,773.68 : 1,879,929,602.12 = 476,950,599.80 : x - Step 2: Convert to fraction form
1,253,244,773.68/1,879,929,602.12 = 476,950,599.80/x - Step 3: Cross multiply
1,253,244,773.68x = 1,879,929,602.12 × 476,950,599.80 - Step 4: Simplify right side
1,253,244,773.68x = 896,633,551,312,909,312 - Step 5: Solve for x
x = 896,633,551,312,909,312/1,253,244,773.68 - Step 6: Final answer
x = 715,449,663.26
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.