Finding the Fourth Proportional to 727,177,695.30, 1,090,766,542.95 and 715,698,569.70
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Solution
The fourth proportional to 727,177,695.30, 1,090,766,542.95 and 715,698,569.70 is: 1,073,547,854.55
Step by Step Solution
- Step 1: Write the proportion equation
727,177,695.30 : 1,090,766,542.95 = 715,698,569.70 : x - Step 2: Convert to fraction form
727,177,695.30/1,090,766,542.95 = 715,698,569.70/x - Step 3: Cross multiply
727,177,695.30x = 1,090,766,542.95 × 715,698,569.70 - Step 4: Simplify right side
727,177,695.30x = 780,660,054,665,928,704 - Step 5: Solve for x
x = 780,660,054,665,928,704/727,177,695.30 - Step 6: Final answer
x = 1,073,547,854.55
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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.