Finding the Fourth Proportional to 834,873,790.80, 1,252,310,686.20 and 758,283,301.20
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Solution
The fourth proportional to 834,873,790.80, 1,252,310,686.20 and 758,283,301.20 is: 1,137,424,951.80
Step by Step Solution
- Step 1: Write the proportion equation
834,873,790.80 : 1,252,310,686.20 = 758,283,301.20 : x - Step 2: Convert to fraction form
834,873,790.80/1,252,310,686.20 = 758,283,301.20/x - Step 3: Cross multiply
834,873,790.80x = 1,252,310,686.20 × 758,283,301.20 - Step 4: Simplify right side
834,873,790.80x = 949,606,281,259,773,440 - Step 5: Solve for x
x = 949,606,281,259,773,440/834,873,790.80 - Step 6: Final answer
x = 1,137,424,951.80
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1.5x scale
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.