Finding the Fourth Proportional to 371,101,763.71, 512,106,403.84 and 206,099,962.03
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Solution
The fourth proportional to 371,101,763.71, 512,106,403.84 and 206,099,962.03 is: 284,410,155.67
Step by Step Solution
- Step 1: Write the proportion equation
371,101,763.71 : 512,106,403.84 = 206,099,962.03 : x - Step 2: Convert to fraction form
371,101,763.71/512,106,403.84 = 206,099,962.03/x - Step 3: Cross multiply
371,101,763.71x = 512,106,403.84 × 206,099,962.03 - Step 4: Simplify right side
371,101,763.71x = 105,545,110,386,743,840 - Step 5: Solve for x
x = 105,545,110,386,743,840/371,101,763.71 - Step 6: Final answer
x = 284,410,155.67
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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.