Finding the Fourth Proportional to 1,356,662,132,466.40, 1,872,193,753,325.80 and 747,673,451,293.44
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Solution
The fourth proportional to 1,356,662,132,466.40, 1,872,193,753,325.80 and 747,673,451,293.44 is: 1,031,789,368,583.85
Step by Step Solution
- Step 1: Write the proportion equation
1,356,662,132,466.40 : 1,872,193,753,325.80 = 747,673,451,293.44 : x - Step 2: Convert to fraction form
1,356,662,132,466.40/1,872,193,753,325.80 = 747,673,451,293.44/x - Step 3: Cross multiply
1,356,662,132,466.40x = 1,872,193,753,325.80 × 747,673,451,293.44 - Step 4: Simplify right side
1,356,662,132,466.40x = 1,399,789,565,039,119,943,335,936 - Step 5: Solve for x
x = 1,399,789,565,039,119,943,335,936/1,356,662,132,466.40 - Step 6: Final answer
x = 1,031,789,368,583.85
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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.