Finding the Fourth Proportional to 2,133,328,807.57, 3,193,617,635.44 and 1,290,420,648.96
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Solution
The fourth proportional to 2,133,328,807.57, 3,193,617,635.44 and 1,290,420,648.96 is: 1,931,774,477.07
Step by Step Solution
- Step 1: Write the proportion equation
2,133,328,807.57 : 3,193,617,635.44 = 1,290,420,648.96 : x - Step 2: Convert to fraction form
2,133,328,807.57/3,193,617,635.44 = 1,290,420,648.96/x - Step 3: Cross multiply
2,133,328,807.57x = 3,193,617,635.44 × 1,290,420,648.96 - Step 4: Simplify right side
2,133,328,807.57x = 4,121,110,141,654,585,856 - Step 5: Solve for x
x = 4,121,110,141,654,585,856/2,133,328,807.57 - Step 6: Final answer
x = 1,931,774,477.07
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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.