Finding the Fourth Proportional to 2,221,241,840.56, 3,331,191,951.24 and 668,120,866.48
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Solution
The fourth proportional to 2,221,241,840.56, 3,331,191,951.24 and 668,120,866.48 is: 1,001,979,528.85
Step by Step Solution
- Step 1: Write the proportion equation
2,221,241,840.56 : 3,331,191,951.24 = 668,120,866.48 : x - Step 2: Convert to fraction form
2,221,241,840.56/3,331,191,951.24 = 668,120,866.48/x - Step 3: Cross multiply
2,221,241,840.56x = 3,331,191,951.24 × 668,120,866.48 - Step 4: Simplify right side
2,221,241,840.56x = 2,225,638,852,873,670,656 - Step 5: Solve for x
x = 2,225,638,852,873,670,656/2,221,241,840.56 - Step 6: Final answer
x = 1,001,979,528.85
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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.