Finding the Fourth Proportional to 1,063,215,885.36, 1,594,817,135.84 and 572,160,464.80
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Solution
The fourth proportional to 1,063,215,885.36, 1,594,817,135.84 and 572,160,464.80 is: 858,237,095.85
Step by Step Solution
- Step 1: Write the proportion equation
1,063,215,885.36 : 1,594,817,135.84 = 572,160,464.80 : x - Step 2: Convert to fraction form
1,063,215,885.36/1,594,817,135.84 = 572,160,464.80/x - Step 3: Cross multiply
1,063,215,885.36x = 1,594,817,135.84 × 572,160,464.80 - Step 4: Simplify right side
1,063,215,885.36x = 912,491,313,713,219,072 - Step 5: Solve for x
x = 912,491,313,713,219,072/1,063,215,885.36 - Step 6: Final answer
x = 858,237,095.85
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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.