Finding the Fourth Proportional to 863,411,316.75, 1,191,511,206.99 and 466,934,306.31
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Solution
The fourth proportional to 863,411,316.75, 1,191,511,206.99 and 466,934,306.31 is: 644,371,284.12
Step by Step Solution
- Step 1: Write the proportion equation
863,411,316.75 : 1,191,511,206.99 = 466,934,306.31 : x - Step 2: Convert to fraction form
863,411,316.75/1,191,511,206.99 = 466,934,306.31/x - Step 3: Cross multiply
863,411,316.75x = 1,191,511,206.99 × 466,934,306.31 - Step 4: Simplify right side
863,411,316.75x = 556,357,458,896,466,496 - Step 5: Solve for x
x = 556,357,458,896,466,496/863,411,316.75 - Step 6: Final answer
x = 644,371,284.12
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1.5x scale
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.