Finding the Fourth Proportional to 894,082,860.80, 1,341,124,291.20 and 786,587,436.80
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Solution
The fourth proportional to 894,082,860.80, 1,341,124,291.20 and 786,587,436.80 is: 1,179,881,155.20
Step by Step Solution
- Step 1: Write the proportion equation
894,082,860.80 : 1,341,124,291.20 = 786,587,436.80 : x - Step 2: Convert to fraction form
894,082,860.80/1,341,124,291.20 = 786,587,436.80/x - Step 3: Cross multiply
894,082,860.80x = 1,341,124,291.20 × 786,587,436.80 - Step 4: Simplify right side
894,082,860.80x = 1,054,911,518,645,224,832 - Step 5: Solve for x
x = 1,054,911,518,645,224,832/894,082,860.80 - Step 6: Final answer
x = 1,179,881,155.20
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Similar ratio
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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.