Finding the Fourth Proportional to 1,779,486,873.70, 2,669,230,310.55 and 1,658,554,521.70
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Solution
The fourth proportional to 1,779,486,873.70, 2,669,230,310.55 and 1,658,554,521.70 is: 2,487,831,782.55
Step by Step Solution
- Step 1: Write the proportion equation
1,779,486,873.70 : 2,669,230,310.55 = 1,658,554,521.70 : x - Step 2: Convert to fraction form
1,779,486,873.70/2,669,230,310.55 = 1,658,554,521.70/x - Step 3: Cross multiply
1,779,486,873.70x = 2,669,230,310.55 × 1,658,554,521.70 - Step 4: Simplify right side
1,779,486,873.70x = 4,427,064,001,021,398,016 - Step 5: Solve for x
x = 4,427,064,001,021,398,016/1,779,486,873.70 - Step 6: Final answer
x = 2,487,831,782.55
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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.