Finding the Fourth Proportional to 1,458,113,115.29, 2,187,302,565.98 and 475,287,387.53
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Solution
The fourth proportional to 1,458,113,115.29, 2,187,302,565.98 and 475,287,387.53 is: 712,974,399.18
Step by Step Solution
- Step 1: Write the proportion equation
1,458,113,115.29 : 2,187,302,565.98 = 475,287,387.53 : x - Step 2: Convert to fraction form
1,458,113,115.29/2,187,302,565.98 = 475,287,387.53/x - Step 3: Cross multiply
1,458,113,115.29x = 2,187,302,565.98 × 475,287,387.53 - Step 4: Simplify right side
1,458,113,115.29x = 1,039,597,322,312,598,912 - Step 5: Solve for x
x = 1,039,597,322,312,598,912/1,458,113,115.29 - Step 6: Final answer
x = 712,974,399.18
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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.