Finding the Fourth Proportional to 6,936,884,905.21, 9,572,908,254.00 and 3,765,069,475.61
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Solution
The fourth proportional to 6,936,884,905.21, 9,572,908,254.00 and 3,765,069,475.61 is: 5,195,799,721.69
Step by Step Solution
- Step 1: Write the proportion equation
6,936,884,905.21 : 9,572,908,254.00 = 3,765,069,475.61 : x - Step 2: Convert to fraction form
6,936,884,905.21/9,572,908,254.00 = 3,765,069,475.61/x - Step 3: Cross multiply
6,936,884,905.21x = 9,572,908,254.00 × 3,765,069,475.61 - Step 4: Simplify right side
6,936,884,905.21x = 36,042,664,659,909,709,824 - Step 5: Solve for x
x = 36,042,664,659,909,709,824/6,936,884,905.21 - Step 6: Final answer
x = 5,195,799,721.69
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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.