Finding the Fourth Proportional to 474,260,656.50, 654,479,705.97 and 257,205,424.50
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Solution
The fourth proportional to 474,260,656.50, 654,479,705.97 and 257,205,424.50 is: 354,943,485.81
Step by Step Solution
- Step 1: Write the proportion equation
474,260,656.50 : 654,479,705.97 = 257,205,424.50 : x - Step 2: Convert to fraction form
474,260,656.50/654,479,705.97 = 257,205,424.50/x - Step 3: Cross multiply
474,260,656.50x = 654,479,705.97 × 257,205,424.50 - Step 4: Simplify right side
474,260,656.50x = 168,335,730,600,649,056 - Step 5: Solve for x
x = 168,335,730,600,649,056/474,260,656.50 - Step 6: Final answer
x = 354,943,485.81
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.