Finding the Fourth Proportional to 797,234,916.10, 1,195,852,374.15 and 716,881,036.90
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Solution
The fourth proportional to 797,234,916.10, 1,195,852,374.15 and 716,881,036.90 is: 1,075,321,555.35
Step by Step Solution
- Step 1: Write the proportion equation
797,234,916.10 : 1,195,852,374.15 = 716,881,036.90 : x - Step 2: Convert to fraction form
797,234,916.10/1,195,852,374.15 = 716,881,036.90/x - Step 3: Cross multiply
797,234,916.10x = 1,195,852,374.15 × 716,881,036.90 - Step 4: Simplify right side
797,234,916.10x = 857,283,889,959,978,752 - Step 5: Solve for x
x = 857,283,889,959,978,752/797,234,916.10 - Step 6: Final answer
x = 1,075,321,555.35
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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.