Finding the Fourth Proportional to 1,779,489,789.20, 2,669,234,683.80 and 1,658,557,437.20
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Solution
The fourth proportional to 1,779,489,789.20, 2,669,234,683.80 and 1,658,557,437.20 is: 2,487,836,155.80
Step by Step Solution
- Step 1: Write the proportion equation
1,779,489,789.20 : 2,669,234,683.80 = 1,658,557,437.20 : x - Step 2: Convert to fraction form
1,779,489,789.20/2,669,234,683.80 = 1,658,557,437.20/x - Step 3: Cross multiply
1,779,489,789.20x = 2,669,234,683.80 × 1,658,557,437.20 - Step 4: Simplify right side
1,779,489,789.20x = 4,427,079,036,448,680,960 - Step 5: Solve for x
x = 4,427,079,036,448,680,960/1,779,489,789.20 - Step 6: Final answer
x = 2,487,836,155.80
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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.