Finding the Fourth Proportional to 474,928,634.80, 710,881,297.80 and 338,879,738.80
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Solution
The fourth proportional to 474,928,634.80, 710,881,297.80 and 338,879,738.80 is: 507,240,984.99
Step by Step Solution
- Step 1: Write the proportion equation
474,928,634.80 : 710,881,297.80 = 338,879,738.80 : x - Step 2: Convert to fraction form
474,928,634.80/710,881,297.80 = 338,879,738.80/x - Step 3: Cross multiply
474,928,634.80x = 710,881,297.80 × 338,879,738.80 - Step 4: Simplify right side
474,928,634.80x = 240,903,268,516,268,992 - Step 5: Solve for x
x = 240,903,268,516,268,992/474,928,634.80 - Step 6: Final answer
x = 507,240,984.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.