Finding the Fourth Proportional to 21,245,452,888.10, 29,319,133,074.55 and 11,600,565,270.00
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Solution
The fourth proportional to 21,245,452,888.10, 29,319,133,074.55 and 11,600,565,270.00 is: 16,009,002,899.70
Step by Step Solution
- Step 1: Write the proportion equation
21,245,452,888.10 : 29,319,133,074.55 = 11,600,565,270.00 : x - Step 2: Convert to fraction form
21,245,452,888.10/29,319,133,074.55 = 11,600,565,270.00/x - Step 3: Cross multiply
21,245,452,888.10x = 29,319,133,074.55 × 11,600,565,270.00 - Step 4: Simplify right side
21,245,452,888.10x = 340,118,516,890,992,574,464 - Step 5: Solve for x
x = 340,118,516,890,992,574,464/21,245,452,888.10 - Step 6: Final answer
x = 16,009,002,899.70
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1.5x scale
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.