Finding the Fourth Proportional to 3,442,191,325.20, 5,163,286,987.80 and 1,113,363,719.10
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Solution
The fourth proportional to 3,442,191,325.20, 5,163,286,987.80 and 1,113,363,719.10 is: 1,670,045,578.65
Step by Step Solution
- Step 1: Write the proportion equation
3,442,191,325.20 : 5,163,286,987.80 = 1,113,363,719.10 : x - Step 2: Convert to fraction form
3,442,191,325.20/5,163,286,987.80 = 1,113,363,719.10/x - Step 3: Cross multiply
3,442,191,325.20x = 5,163,286,987.80 × 1,113,363,719.10 - Step 4: Simplify right side
3,442,191,325.20x = 5,748,616,403,517,643,776 - Step 5: Solve for x
x = 5,748,616,403,517,643,776/3,442,191,325.20 - Step 6: Final answer
x = 1,670,045,578.65
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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.