Finding the Fourth Proportional to 930,362,350.95, 1,283,908,653.72 and 512,689,582.62
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Solution
The fourth proportional to 930,362,350.95, 1,283,908,653.72 and 512,689,582.62 is: 707,516,368.35
Step by Step Solution
- Step 1: Write the proportion equation
930,362,350.95 : 1,283,908,653.72 = 512,689,582.62 : x - Step 2: Convert to fraction form
930,362,350.95/1,283,908,653.72 = 512,689,582.62/x - Step 3: Cross multiply
930,362,350.95x = 1,283,908,653.72 × 512,689,582.62 - Step 4: Simplify right side
930,362,350.95x = 658,246,591,797,912,960 - Step 5: Solve for x
x = 658,246,591,797,912,960/930,362,350.95 - Step 6: Final answer
x = 707,516,368.35
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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.