Finding the Fourth Proportional to 4,742,699,256.13, 6,542,778,801.99 and 2,862,503,513.41
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Solution
The fourth proportional to 4,742,699,256.13, 6,542,778,801.99 and 2,862,503,513.41 is: 3,948,959,505.28
Step by Step Solution
- Step 1: Write the proportion equation
4,742,699,256.13 : 6,542,778,801.99 = 2,862,503,513.41 : x - Step 2: Convert to fraction form
4,742,699,256.13/6,542,778,801.99 = 2,862,503,513.41/x - Step 3: Cross multiply
4,742,699,256.13x = 6,542,778,801.99 × 2,862,503,513.41 - Step 4: Simplify right side
4,742,699,256.13x = 18,728,727,308,160,843,776 - Step 5: Solve for x
x = 18,728,727,308,160,843,776/4,742,699,256.13 - Step 6: Final answer
x = 3,948,959,505.28
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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.