Finding the Fourth Proportional to 474,605,551.80, 711,908,327.70 and 474,605,551.80
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Solution
The fourth proportional to 474,605,551.80, 711,908,327.70 and 474,605,551.80 is: 711,908,327.70
Step by Step Solution
- Step 1: Write the proportion equation
474,605,551.80 : 711,908,327.70 = 474,605,551.80 : x - Step 2: Convert to fraction form
474,605,551.80/711,908,327.70 = 474,605,551.80/x - Step 3: Cross multiply
474,605,551.80x = 711,908,327.70 × 474,605,551.80 - Step 4: Simplify right side
474,605,551.80x = 337,875,644,699,073,728 - Step 5: Solve for x
x = 337,875,644,699,073,728/474,605,551.80 - Step 6: Final answer
x = 711,908,327.70
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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.