Finding the Fourth Proportional to 695,456,277.60, 1,043,184,416.40 and 622,896,866.40
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Solution
The fourth proportional to 695,456,277.60, 1,043,184,416.40 and 622,896,866.40 is: 934,345,299.60
Step by Step Solution
- Step 1: Write the proportion equation
695,456,277.60 : 1,043,184,416.40 = 622,896,866.40 : x - Step 2: Convert to fraction form
695,456,277.60/1,043,184,416.40 = 622,896,866.40/x - Step 3: Cross multiply
695,456,277.60x = 1,043,184,416.40 × 622,896,866.40 - Step 4: Simplify right side
695,456,277.60x = 649,796,304,052,872,704 - Step 5: Solve for x
x = 649,796,304,052,872,704/695,456,277.60 - Step 6: Final answer
x = 934,345,299.60
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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.