Finding the Fourth Proportional to 1,417,177,270.60, 2,125,765,905.90 and 727,154,276.20
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Solution
The fourth proportional to 1,417,177,270.60, 2,125,765,905.90 and 727,154,276.20 is: 1,090,731,414.30
Step by Step Solution
- Step 1: Write the proportion equation
1,417,177,270.60 : 2,125,765,905.90 = 727,154,276.20 : x - Step 2: Convert to fraction form
1,417,177,270.60/2,125,765,905.90 = 727,154,276.20/x - Step 3: Cross multiply
1,417,177,270.60x = 2,125,765,905.90 × 727,154,276.20 - Step 4: Simplify right side
1,417,177,270.60x = 1,545,759,768,675,352,064 - Step 5: Solve for x
x = 1,545,759,768,675,352,064/1,417,177,270.60 - Step 6: Final answer
x = 1,090,731,414.30
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.