Finding the Fourth Proportional to 1,642,148,998.87, 2,266,047,970.68 and 963,993,485.53
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Solution
The fourth proportional to 1,642,148,998.87, 2,266,047,970.68 and 963,993,485.53 is: 1,330,241,947.06
Step by Step Solution
- Step 1: Write the proportion equation
1,642,148,998.87 : 2,266,047,970.68 = 963,993,485.53 : x - Step 2: Convert to fraction form
1,642,148,998.87/2,266,047,970.68 = 963,993,485.53/x - Step 3: Cross multiply
1,642,148,998.87x = 2,266,047,970.68 × 963,993,485.53 - Step 4: Simplify right side
1,642,148,998.87x = 2,184,455,481,617,846,272 - Step 5: Solve for x
x = 2,184,455,481,617,846,272/1,642,148,998.87 - Step 6: Final answer
x = 1,330,241,947.06
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.