Finding the Fourth Proportional to 1,461,620,490.02, 2,191,555,175.58 and 465,211,116.44
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Solution
The fourth proportional to 1,461,620,490.02, 2,191,555,175.58 and 465,211,116.44 is: 697,537,997.68
Step by Step Solution
- Step 1: Write the proportion equation
1,461,620,490.02 : 2,191,555,175.58 = 465,211,116.44 : x - Step 2: Convert to fraction form
1,461,620,490.02/2,191,555,175.58 = 465,211,116.44/x - Step 3: Cross multiply
1,461,620,490.02x = 2,191,555,175.58 × 465,211,116.44 - Step 4: Simplify right side
1,461,620,490.02x = 1,019,535,829,971,431,936 - Step 5: Solve for x
x = 1,019,535,829,971,431,936/1,461,620,490.02 - Step 6: Final answer
x = 697,537,997.68
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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.