Finding the Fourth Proportional to 788,776,588.50, 1,088,543,742.62 and 436,346,502.99
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Solution
The fourth proportional to 788,776,588.50, 1,088,543,742.62 and 436,346,502.99 is: 602,175,904.26
Step by Step Solution
- Step 1: Write the proportion equation
788,776,588.50 : 1,088,543,742.62 = 436,346,502.99 : x - Step 2: Convert to fraction form
788,776,588.50/1,088,543,742.62 = 436,346,502.99/x - Step 3: Cross multiply
788,776,588.50x = 1,088,543,742.62 × 436,346,502.99 - Step 4: Simplify right side
788,776,588.50x = 474,982,255,441,701,888 - Step 5: Solve for x
x = 474,982,255,441,701,888/788,776,588.50 - Step 6: Final answer
x = 602,175,904.26
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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.