Finding the Fourth Proportional to 428,598,340.74, 642,961,394.70 and 152,226,336.08
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Solution
The fourth proportional to 428,598,340.74, 642,961,394.70 and 152,226,336.08 is: 228,362,193.82
Step by Step Solution
- Step 1: Write the proportion equation
428,598,340.74 : 642,961,394.70 = 152,226,336.08 : x - Step 2: Convert to fraction form
428,598,340.74/642,961,394.70 = 152,226,336.08/x - Step 3: Cross multiply
428,598,340.74x = 642,961,394.70 × 152,226,336.08 - Step 4: Simplify right side
428,598,340.74x = 97,875,657,357,104,288 - Step 5: Solve for x
x = 97,875,657,357,104,288/428,598,340.74 - Step 6: Final answer
x = 228,362,193.82
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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.