Finding the Fourth Proportional to 808,751,776,929.14, 1,116,112,535,239.40 and 447,869,591,425.68
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Solution
The fourth proportional to 808,751,776,929.14, 1,116,112,535,239.40 and 447,869,591,425.68 is: 618,079,464,431.95
Step by Step Solution
- Step 1: Write the proportion equation
808,751,776,929.14 : 1,116,112,535,239.40 = 447,869,591,425.68 : x - Step 2: Convert to fraction form
808,751,776,929.14/1,116,112,535,239.40 = 447,869,591,425.68/x - Step 3: Cross multiply
808,751,776,929.14x = 1,116,112,535,239.40 × 447,869,591,425.68 - Step 4: Simplify right side
808,751,776,929.14x = 499,872,865,142,749,928,620,032 - Step 5: Solve for x
x = 499,872,865,142,749,928,620,032/808,751,776,929.14 - Step 6: Final answer
x = 618,079,464,431.95
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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.