Finding the Fourth Proportional to 432,688,606.48, 597,316,174.86 and 289,880,269.12
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Solution
The fourth proportional to 432,688,606.48, 597,316,174.86 and 289,880,269.12 is: 400,172,712.95
Step by Step Solution
- Step 1: Write the proportion equation
432,688,606.48 : 597,316,174.86 = 289,880,269.12 : x - Step 2: Convert to fraction form
432,688,606.48/597,316,174.86 = 289,880,269.12/x - Step 3: Cross multiply
432,688,606.48x = 597,316,174.86 × 289,880,269.12 - Step 4: Simplify right side
432,688,606.48x = 173,150,173,518,145,792 - Step 5: Solve for x
x = 173,150,173,518,145,792/432,688,606.48 - Step 6: Final answer
x = 400,172,712.95
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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.