Finding the Fourth Proportional to 457,564,860.68, 622,992,023.16 and 456,112,033.88
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Solution
The fourth proportional to 457,564,860.68, 622,992,023.16 and 456,112,033.88 is: 621,013,944.02
Step by Step Solution
- Step 1: Write the proportion equation
457,564,860.68 : 622,992,023.16 = 456,112,033.88 : x - Step 2: Convert to fraction form
457,564,860.68/622,992,023.16 = 456,112,033.88/x - Step 3: Cross multiply
457,564,860.68x = 622,992,023.16 × 456,112,033.88 - Step 4: Simplify right side
457,564,860.68x = 284,154,158,774,523,648 - Step 5: Solve for x
x = 284,154,158,774,523,648/457,564,860.68 - Step 6: Final answer
x = 621,013,944.02
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Why These Related Problems?
These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.