Finding the Fourth Proportional to 1,779,103,776.93, 2,669,861,310.20 and 730,031,640.06
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Solution
The fourth proportional to 1,779,103,776.93, 2,669,861,310.20 and 730,031,640.06 is: 1,095,542,180.45
Step by Step Solution
- Step 1: Write the proportion equation
1,779,103,776.93 : 2,669,861,310.20 = 730,031,640.06 : x - Step 2: Convert to fraction form
1,779,103,776.93/2,669,861,310.20 = 730,031,640.06/x - Step 3: Cross multiply
1,779,103,776.93x = 2,669,861,310.20 × 730,031,640.06 - Step 4: Simplify right side
1,779,103,776.93x = 1,949,083,231,018,046,208 - Step 5: Solve for x
x = 1,949,083,231,018,046,208/1,779,103,776.93 - Step 6: Final answer
x = 1,095,542,180.45
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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.