Finding the Fourth Proportional to 1,689,630,317.80, 2,534,445,476.70 and 1,434,538,637.80
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Solution
The fourth proportional to 1,689,630,317.80, 2,534,445,476.70 and 1,434,538,637.80 is: 2,151,807,956.70
Step by Step Solution
- Step 1: Write the proportion equation
1,689,630,317.80 : 2,534,445,476.70 = 1,434,538,637.80 : x - Step 2: Convert to fraction form
1,689,630,317.80/2,534,445,476.70 = 1,434,538,637.80/x - Step 3: Cross multiply
1,689,630,317.80x = 2,534,445,476.70 × 1,434,538,637.80 - Step 4: Simplify right side
1,689,630,317.80x = 3,635,759,961,723,589,120 - Step 5: Solve for x
x = 3,635,759,961,723,589,120/1,689,630,317.80 - Step 6: Final answer
x = 2,151,807,956.70
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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.