Finding the Fourth Proportional to 4,187,517,811.68, 5,779,001,834.64 and 2,403,357,000.48
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Solution
The fourth proportional to 4,187,517,811.68, 5,779,001,834.64 and 2,403,357,000.48 is: 3,316,763,089.66
Step by Step Solution
- Step 1: Write the proportion equation
4,187,517,811.68 : 5,779,001,834.64 = 2,403,357,000.48 : x - Step 2: Convert to fraction form
4,187,517,811.68/5,779,001,834.64 = 2,403,357,000.48/x - Step 3: Cross multiply
4,187,517,811.68x = 5,779,001,834.64 × 2,403,357,000.48 - Step 4: Simplify right side
4,187,517,811.68x = 13,889,004,515,068,809,216 - Step 5: Solve for x
x = 13,889,004,515,068,809,216/4,187,517,811.68 - Step 6: Final answer
x = 3,316,763,089.66
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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.