Finding the Fourth Proportional to 2,531,710,448.40, 3,798,860,619.96 and 1,205,237,254.80
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Solution
The fourth proportional to 2,531,710,448.40, 3,798,860,619.96 and 1,205,237,254.80 is: 1,808,472,350.33
Step by Step Solution
- Step 1: Write the proportion equation
2,531,710,448.40 : 3,798,860,619.96 = 1,205,237,254.80 : x - Step 2: Convert to fraction form
2,531,710,448.40/3,798,860,619.96 = 1,205,237,254.80/x - Step 3: Cross multiply
2,531,710,448.40x = 3,798,860,619.96 × 1,205,237,254.80 - Step 4: Simplify right side
2,531,710,448.40x = 4,578,528,344,968,416,256 - Step 5: Solve for x
x = 4,578,528,344,968,416,256/2,531,710,448.40 - Step 6: Final answer
x = 1,808,472,350.33
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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.