Finding the Fourth Proportional to 2,648,278,745.60, 3,972,418,118.40 and 2,357,474,230.40
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Solution
The fourth proportional to 2,648,278,745.60, 3,972,418,118.40 and 2,357,474,230.40 is: 3,536,211,345.60
Step by Step Solution
- Step 1: Write the proportion equation
2,648,278,745.60 : 3,972,418,118.40 = 2,357,474,230.40 : x - Step 2: Convert to fraction form
2,648,278,745.60/3,972,418,118.40 = 2,357,474,230.40/x - Step 3: Cross multiply
2,648,278,745.60x = 3,972,418,118.40 × 2,357,474,230.40 - Step 4: Simplify right side
2,648,278,745.60x = 9,364,873,346,502,055,936 - Step 5: Solve for x
x = 9,364,873,346,502,055,936/2,648,278,745.60 - Step 6: Final answer
x = 3,536,211,345.60
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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.