Finding the Fourth Proportional to 6,899,213,329.20, 10,348,819,993.80 and 1,924,925,569.20
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Solution
The fourth proportional to 6,899,213,329.20, 10,348,819,993.80 and 1,924,925,569.20 is: 2,887,388,353.80
Step by Step Solution
- Step 1: Write the proportion equation
6,899,213,329.20 : 10,348,819,993.80 = 1,924,925,569.20 : x - Step 2: Convert to fraction form
6,899,213,329.20/10,348,819,993.80 = 1,924,925,569.20/x - Step 3: Cross multiply
6,899,213,329.20x = 10,348,819,993.80 × 1,924,925,569.20 - Step 4: Simplify right side
6,899,213,329.20x = 19,920,708,217,113,804,800 - Step 5: Solve for x
x = 19,920,708,217,113,804,800/6,899,213,329.20 - Step 6: Final answer
x = 2,887,388,353.80
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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.