Finding the Fourth Proportional to 1,501,515,497.70, 2,252,273,246.55 and 856,542,953.70
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Solution
The fourth proportional to 1,501,515,497.70, 2,252,273,246.55 and 856,542,953.70 is: 1,284,814,430.55
Step by Step Solution
- Step 1: Write the proportion equation
1,501,515,497.70 : 2,252,273,246.55 = 856,542,953.70 : x - Step 2: Convert to fraction form
1,501,515,497.70/2,252,273,246.55 = 856,542,953.70/x - Step 3: Cross multiply
1,501,515,497.70x = 2,252,273,246.55 × 856,542,953.70 - Step 4: Simplify right side
1,501,515,497.70x = 1,929,168,779,139,425,536 - Step 5: Solve for x
x = 1,929,168,779,139,425,536/1,501,515,497.70 - Step 6: Final answer
x = 1,284,814,430.55
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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.