Finding the Fourth Proportional to 657,124,603.95, 985,818,436.68 and 242,603,944.56
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Solution
The fourth proportional to 657,124,603.95, 985,818,436.68 and 242,603,944.56 is: 363,954,476.70
Step by Step Solution
- Step 1: Write the proportion equation
657,124,603.95 : 985,818,436.68 = 242,603,944.56 : x - Step 2: Convert to fraction form
657,124,603.95/985,818,436.68 = 242,603,944.56/x - Step 3: Cross multiply
657,124,603.95x = 985,818,436.68 × 242,603,944.56 - Step 4: Simplify right side
657,124,603.95x = 239,163,441,358,540,576 - Step 5: Solve for x
x = 239,163,441,358,540,576/657,124,603.95 - Step 6: Final answer
x = 363,954,476.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.