Finding the Fourth Proportional to 5,110,582,356.90, 7,665,873,535.35 and 1,838,606,408.10
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Solution
The fourth proportional to 5,110,582,356.90, 7,665,873,535.35 and 1,838,606,408.10 is: 2,757,909,612.15
Step by Step Solution
- Step 1: Write the proportion equation
5,110,582,356.90 : 7,665,873,535.35 = 1,838,606,408.10 : x - Step 2: Convert to fraction form
5,110,582,356.90/7,665,873,535.35 = 1,838,606,408.10/x - Step 3: Cross multiply
5,110,582,356.90x = 7,665,873,535.35 × 1,838,606,408.10 - Step 4: Simplify right side
5,110,582,356.90x = 14,094,524,205,778,712,576 - Step 5: Solve for x
x = 14,094,524,205,778,712,576/5,110,582,356.90 - Step 6: Final answer
x = 2,757,909,612.15
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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.