Finding the Fourth Proportional to 649,938,866.10, 896,915,635.23 and 371,486,368.41
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Solution
The fourth proportional to 649,938,866.10, 896,915,635.23 and 371,486,368.41 is: 512,651,188.41
Step by Step Solution
- Step 1: Write the proportion equation
649,938,866.10 : 896,915,635.23 = 371,486,368.41 : x - Step 2: Convert to fraction form
649,938,866.10/896,915,635.23 = 371,486,368.41/x - Step 3: Cross multiply
649,938,866.10x = 896,915,635.23 × 371,486,368.41 - Step 4: Simplify right side
649,938,866.10x = 333,191,932,101,740,992 - Step 5: Solve for x
x = 333,191,932,101,740,992/649,938,866.10 - Step 6: Final answer
x = 512,651,188.41
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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.