Finding the Fourth Proportional to 4,909,026,548.08, 7,363,539,919.54 and 1,178,317,939.40
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Solution
The fourth proportional to 4,909,026,548.08, 7,363,539,919.54 and 1,178,317,939.40 is: 1,767,476,932.49
Step by Step Solution
- Step 1: Write the proportion equation
4,909,026,548.08 : 7,363,539,919.54 = 1,178,317,939.40 : x - Step 2: Convert to fraction form
4,909,026,548.08/7,363,539,919.54 = 1,178,317,939.40/x - Step 3: Cross multiply
4,909,026,548.08x = 7,363,539,919.54 × 1,178,317,939.40 - Step 4: Simplify right side
4,909,026,548.08x = 8,676,591,184,716,064,768 - Step 5: Solve for x
x = 8,676,591,184,716,064,768/4,909,026,548.08 - Step 6: Final answer
x = 1,767,476,932.49
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.