Finding the Fourth Proportional to 691,652,149.74, 1,037,477,411.49 and 225,312,810.63
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Solution
The fourth proportional to 691,652,149.74, 1,037,477,411.49 and 225,312,810.63 is: 337,968,951.07
Step by Step Solution
- Step 1: Write the proportion equation
691,652,149.74 : 1,037,477,411.49 = 225,312,810.63 : x - Step 2: Convert to fraction form
691,652,149.74/1,037,477,411.49 = 225,312,810.63/x - Step 3: Cross multiply
691,652,149.74x = 1,037,477,411.49 × 225,312,810.63 - Step 4: Simplify right side
691,652,149.74x = 233,756,951,549,493,824 - Step 5: Solve for x
x = 233,756,951,549,493,824/691,652,149.74 - Step 6: Final answer
x = 337,968,951.07
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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.