Finding the Fourth Proportional to 433,554,974.18, 598,306,521.84 and 235,316,541.32
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Solution
The fourth proportional to 433,554,974.18, 598,306,521.84 and 235,316,541.32 is: 324,737,183.87
Step by Step Solution
- Step 1: Write the proportion equation
433,554,974.18 : 598,306,521.84 = 235,316,541.32 : x - Step 2: Convert to fraction form
433,554,974.18/598,306,521.84 = 235,316,541.32/x - Step 3: Cross multiply
433,554,974.18x = 598,306,521.84 × 235,316,541.32 - Step 4: Simplify right side
433,554,974.18x = 140,791,421,368,587,840 - Step 5: Solve for x
x = 140,791,421,368,587,840/433,554,974.18 - Step 6: Final answer
x = 324,737,183.87
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.