Finding the Fourth Proportional to 977,184,244.80, 1,465,776,367.20 and 880,438,363.20
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Solution
The fourth proportional to 977,184,244.80, 1,465,776,367.20 and 880,438,363.20 is: 1,320,657,544.80
Step by Step Solution
- Step 1: Write the proportion equation
977,184,244.80 : 1,465,776,367.20 = 880,438,363.20 : x - Step 2: Convert to fraction form
977,184,244.80/1,465,776,367.20 = 880,438,363.20/x - Step 3: Cross multiply
977,184,244.80x = 1,465,776,367.20 × 880,438,363.20 - Step 4: Simplify right side
977,184,244.80x = 1,290,525,745,554,810,368 - Step 5: Solve for x
x = 1,290,525,745,554,810,368/977,184,244.80 - Step 6: Final answer
x = 1,320,657,544.80
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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.