Finding the Fourth Proportional to 528,486,545.70, 792,729,818.55 and 528,486,545.70
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Solution
The fourth proportional to 528,486,545.70, 792,729,818.55 and 528,486,545.70 is: 792,729,818.55
Step by Step Solution
- Step 1: Write the proportion equation
528,486,545.70 : 792,729,818.55 = 528,486,545.70 : x - Step 2: Convert to fraction form
528,486,545.70/792,729,818.55 = 528,486,545.70/x - Step 3: Cross multiply
528,486,545.70x = 792,729,818.55 × 528,486,545.70 - Step 4: Simplify right side
528,486,545.70x = 418,947,043,478,877,248 - Step 5: Solve for x
x = 418,947,043,478,877,248/528,486,545.70 - Step 6: Final answer
x = 792,729,818.55
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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.