Finding the Fourth Proportional to 944,807,863.20, 1,417,211,794.80 and 298,575,607.20
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Solution
The fourth proportional to 944,807,863.20, 1,417,211,794.80 and 298,575,607.20 is: 447,863,410.80
Step by Step Solution
- Step 1: Write the proportion equation
944,807,863.20 : 1,417,211,794.80 = 298,575,607.20 : x - Step 2: Convert to fraction form
944,807,863.20/1,417,211,794.80 = 298,575,607.20/x - Step 3: Cross multiply
944,807,863.20x = 1,417,211,794.80 × 298,575,607.20 - Step 4: Simplify right side
944,807,863.20x = 423,144,872,163,411,776 - Step 5: Solve for x
x = 423,144,872,163,411,776/944,807,863.20 - Step 6: Final answer
x = 447,863,410.80
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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.