Finding the Fourth Proportional to 1,133,205,790.08, 1,563,830,193.76 and 657,178,396.32
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Solution
The fourth proportional to 1,133,205,790.08, 1,563,830,193.76 and 657,178,396.32 is: 906,909,784.48
Step by Step Solution
- Step 1: Write the proportion equation
1,133,205,790.08 : 1,563,830,193.76 = 657,178,396.32 : x - Step 2: Convert to fraction form
1,133,205,790.08/1,563,830,193.76 = 657,178,396.32/x - Step 3: Cross multiply
1,133,205,790.08x = 1,563,830,193.76 × 657,178,396.32 - Step 4: Simplify right side
1,133,205,790.08x = 1,027,715,418,851,991,808 - Step 5: Solve for x
x = 1,027,715,418,851,991,808/1,133,205,790.08 - Step 6: Final answer
x = 906,909,784.48
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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.