Finding the Fourth Proportional to 442,611,000.80, 663,349,630.80 and 339,865,740.80
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Solution
The fourth proportional to 442,611,000.80, 663,349,630.80 and 339,865,740.80 is: 509,363,330.95
Step by Step Solution
- Step 1: Write the proportion equation
442,611,000.80 : 663,349,630.80 = 339,865,740.80 : x - Step 2: Convert to fraction form
442,611,000.80/663,349,630.80 = 339,865,740.80/x - Step 3: Cross multiply
442,611,000.80x = 663,349,630.80 × 339,865,740.80 - Step 4: Simplify right side
442,611,000.80x = 225,449,813,681,248,480 - Step 5: Solve for x
x = 225,449,813,681,248,480/442,611,000.80 - Step 6: Final answer
x = 509,363,330.95
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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.