Finding the Fourth Proportional to 28,075,925,394.08, 38,748,935,455.28 and 17,776,977,589.68
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Solution
The fourth proportional to 28,075,925,394.08, 38,748,935,455.28 and 17,776,977,589.68 is: 24,534,862,076.45
Step by Step Solution
- Step 1: Write the proportion equation
28,075,925,394.08 : 38,748,935,455.28 = 17,776,977,589.68 : x - Step 2: Convert to fraction form
28,075,925,394.08/38,748,935,455.28 = 17,776,977,589.68/x - Step 3: Cross multiply
28,075,925,394.08x = 38,748,935,455.28 × 17,776,977,589.68 - Step 4: Simplify right side
28,075,925,394.08x = 688,838,957,212,469,297,152 - Step 5: Solve for x
x = 688,838,957,212,469,297,152/28,075,925,394.08 - Step 6: Final answer
x = 24,534,862,076.45
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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.