Finding the Fourth Proportional to 1,149,806,464.60, 1,724,961,639.30 and 373,319,987.80
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Solution
The fourth proportional to 1,149,806,464.60, 1,724,961,639.30 and 373,319,987.80 is: 560,061,782.54
Step by Step Solution
- Step 1: Write the proportion equation
1,149,806,464.60 : 1,724,961,639.30 = 373,319,987.80 : x - Step 2: Convert to fraction form
1,149,806,464.60/1,724,961,639.30 = 373,319,987.80/x - Step 3: Cross multiply
1,149,806,464.60x = 1,724,961,639.30 × 373,319,987.80 - Step 4: Simplify right side
1,149,806,464.60x = 643,962,658,138,944,000 - Step 5: Solve for x
x = 643,962,658,138,944,000/1,149,806,464.60 - Step 6: Final answer
x = 560,061,782.54
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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.