Finding the Fourth Proportional to 432,688,605.98, 597,316,174.17 and 289,880,268.62
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Solution
The fourth proportional to 432,688,605.98, 597,316,174.17 and 289,880,268.62 is: 400,172,712.26
Step by Step Solution
- Step 1: Write the proportion equation
432,688,605.98 : 597,316,174.17 = 289,880,268.62 : x - Step 2: Convert to fraction form
432,688,605.98/597,316,174.17 = 289,880,268.62/x - Step 3: Cross multiply
432,688,605.98x = 597,316,174.17 × 289,880,268.62 - Step 4: Simplify right side
432,688,605.98x = 173,150,173,019,470,304 - Step 5: Solve for x
x = 173,150,173,019,470,304/432,688,605.98 - Step 6: Final answer
x = 400,172,712.26
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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.