Finding the Fourth Proportional to 2,987,510,004.75, 4,123,125,326.86 and 1,700,334,830.80
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Solution
The fourth proportional to 2,987,510,004.75, 4,123,125,326.86 and 1,700,334,830.80 is: 2,346,667,825.00
Step by Step Solution
- Step 1: Write the proportion equation
2,987,510,004.75 : 4,123,125,326.86 = 1,700,334,830.80 : x - Step 2: Convert to fraction form
2,987,510,004.75/4,123,125,326.86 = 1,700,334,830.80/x - Step 3: Cross multiply
2,987,510,004.75x = 4,123,125,326.86 × 1,700,334,830.80 - Step 4: Simplify right side
2,987,510,004.75x = 7,010,693,605,014,389,760 - Step 5: Solve for x
x = 7,010,693,605,014,389,760/2,987,510,004.75 - Step 6: Final answer
x = 2,346,667,825.00
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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.