Finding the Fourth Proportional to 586,804,512.60, 880,206,768.90 and 380,180,251.80
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Solution
The fourth proportional to 586,804,512.60, 880,206,768.90 and 380,180,251.80 is: 570,270,377.70
Step by Step Solution
- Step 1: Write the proportion equation
586,804,512.60 : 880,206,768.90 = 380,180,251.80 : x - Step 2: Convert to fraction form
586,804,512.60/880,206,768.90 = 380,180,251.80/x - Step 3: Cross multiply
586,804,512.60x = 880,206,768.90 × 380,180,251.80 - Step 4: Simplify right side
586,804,512.60x = 334,637,231,036,466,432 - Step 5: Solve for x
x = 334,637,231,036,466,432/586,804,512.60 - Step 6: Final answer
x = 570,270,377.70
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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.