Finding the Fourth Proportional to 388,753,522.32, 583,277,146.08 and 233,415,643.08
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Solution
The fourth proportional to 388,753,522.32, 583,277,146.08 and 233,415,643.08 is: 350,211,643.96
Step by Step Solution
- Step 1: Write the proportion equation
388,753,522.32 : 583,277,146.08 = 233,415,643.08 : x - Step 2: Convert to fraction form
388,753,522.32/583,277,146.08 = 233,415,643.08/x - Step 3: Cross multiply
388,753,522.32x = 583,277,146.08 × 233,415,643.08 - Step 4: Simplify right side
388,753,522.32x = 136,146,010,146,130,320 - Step 5: Solve for x
x = 136,146,010,146,130,320/388,753,522.32 - Step 6: Final answer
x = 350,211,643.96
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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.