Finding the Fourth Proportional to 1,417,704,297.12, 1,956,463,248.26 and 782,623,284.80
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Solution
The fourth proportional to 1,417,704,297.12, 1,956,463,248.26 and 782,623,284.80 is: 1,080,037,421.80
Step by Step Solution
- Step 1: Write the proportion equation
1,417,704,297.12 : 1,956,463,248.26 = 782,623,284.80 : x - Step 2: Convert to fraction form
1,417,704,297.12/1,956,463,248.26 = 782,623,284.80/x - Step 3: Cross multiply
1,417,704,297.12x = 1,956,463,248.26 × 782,623,284.80 - Step 4: Simplify right side
1,417,704,297.12x = 1,531,173,693,935,893,248 - Step 5: Solve for x
x = 1,531,173,693,935,893,248/1,417,704,297.12 - Step 6: Final answer
x = 1,080,037,421.80
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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.