Finding the Fourth Proportional to 9,576,759,655.17, 13,216,329,826.77 and 5,507,664,538.08
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Solution
The fourth proportional to 9,576,759,655.17, 13,216,329,826.77 and 5,507,664,538.08 is: 7,600,807,969.65
Step by Step Solution
- Step 1: Write the proportion equation
9,576,759,655.17 : 13,216,329,826.77 = 5,507,664,538.08 : x - Step 2: Convert to fraction form
9,576,759,655.17/13,216,329,826.77 = 5,507,664,538.08/x - Step 3: Cross multiply
9,576,759,655.17x = 13,216,329,826.77 × 5,507,664,538.08 - Step 4: Simplify right side
9,576,759,655.17x = 72,791,111,110,470,123,520 - Step 5: Solve for x
x = 72,791,111,110,470,123,520/9,576,759,655.17 - Step 6: Final answer
x = 7,600,807,969.65
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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.