Finding the Fourth Proportional to 4,681,669,284.68, 6,454,453,621.38 and 3,719,246,518.76
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Solution
The fourth proportional to 4,681,669,284.68, 6,454,453,621.38 and 3,719,246,518.76 is: 5,127,595,031.19
Step by Step Solution
- Step 1: Write the proportion equation
4,681,669,284.68 : 6,454,453,621.38 = 3,719,246,518.76 : x - Step 2: Convert to fraction form
4,681,669,284.68/6,454,453,621.38 = 3,719,246,518.76/x - Step 3: Cross multiply
4,681,669,284.68x = 6,454,453,621.38 × 3,719,246,518.76 - Step 4: Simplify right side
4,681,669,284.68x = 24,005,704,161,815,441,408 - Step 5: Solve for x
x = 24,005,704,161,815,441,408/4,681,669,284.68 - Step 6: Final answer
x = 5,127,595,031.19
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.