Finding the Fourth Proportional to 561,087,067.20, 841,630,600.80 and 522,823,315.20
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Solution
The fourth proportional to 561,087,067.20, 841,630,600.80 and 522,823,315.20 is: 784,234,972.80
Step by Step Solution
- Step 1: Write the proportion equation
561,087,067.20 : 841,630,600.80 = 522,823,315.20 : x - Step 2: Convert to fraction form
561,087,067.20/841,630,600.80 = 522,823,315.20/x - Step 3: Cross multiply
561,087,067.20x = 841,630,600.80 × 522,823,315.20 - Step 4: Simplify right side
561,087,067.20x = 440,024,100,884,023,744 - Step 5: Solve for x
x = 440,024,100,884,023,744/561,087,067.20 - Step 6: Final answer
x = 784,234,972.80
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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.