Finding the Fourth Proportional to 977,257,976.80, 1,465,886,965.20 and 589,518,623.20
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Solution
The fourth proportional to 977,257,976.80, 1,465,886,965.20 and 589,518,623.20 is: 884,277,934.80
Step by Step Solution
- Step 1: Write the proportion equation
977,257,976.80 : 1,465,886,965.20 = 589,518,623.20 : x - Step 2: Convert to fraction form
977,257,976.80/1,465,886,965.20 = 589,518,623.20/x - Step 3: Cross multiply
977,257,976.80x = 1,465,886,965.20 × 589,518,623.20 - Step 4: Simplify right side
977,257,976.80x = 864,167,665,491,530,368 - Step 5: Solve for x
x = 864,167,665,491,530,368/977,257,976.80 - Step 6: Final answer
x = 884,277,934.80
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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.