Finding the Fourth Proportional to 592,289,141.80, 888,433,712.70 and 420,102,257.80
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Solution
The fourth proportional to 592,289,141.80, 888,433,712.70 and 420,102,257.80 is: 630,153,386.70
Step by Step Solution
- Step 1: Write the proportion equation
592,289,141.80 : 888,433,712.70 = 420,102,257.80 : x - Step 2: Convert to fraction form
592,289,141.80/888,433,712.70 = 420,102,257.80/x - Step 3: Cross multiply
592,289,141.80x = 888,433,712.70 × 420,102,257.80 - Step 4: Simplify right side
592,289,141.80x = 373,233,008,610,906,560 - Step 5: Solve for x
x = 373,233,008,610,906,560/592,289,141.80 - Step 6: Final answer
x = 630,153,386.70
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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.