Finding the Fourth Proportional to 9,774,779,533.28, 13,489,639,949.16 and 5,760,619,220.96
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Solution
The fourth proportional to 9,774,779,533.28, 13,489,639,949.16 and 5,760,619,220.96 is: 7,949,916,303.52
Step by Step Solution
- Step 1: Write the proportion equation
9,774,779,533.28 : 13,489,639,949.16 = 5,760,619,220.96 : x - Step 2: Convert to fraction form
9,774,779,533.28/13,489,639,949.16 = 5,760,619,220.96/x - Step 3: Cross multiply
9,774,779,533.28x = 13,489,639,949.16 × 5,760,619,220.96 - Step 4: Simplify right side
9,774,779,533.28x = 77,708,679,174,960,971,776 - Step 5: Solve for x
x = 77,708,679,174,960,971,776/9,774,779,533.28 - Step 6: Final answer
x = 7,949,916,303.52
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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.