Finding the Fourth Proportional to 645,893,306.64, 969,267,860.28 and 354,963,597.84
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Solution
The fourth proportional to 645,893,306.64, 969,267,860.28 and 354,963,597.84 is: 532,680,557.95
Step by Step Solution
- Step 1: Write the proportion equation
645,893,306.64 : 969,267,860.28 = 354,963,597.84 : x - Step 2: Convert to fraction form
645,893,306.64/969,267,860.28 = 354,963,597.84/x - Step 3: Cross multiply
645,893,306.64x = 969,267,860.28 × 354,963,597.84 - Step 4: Simplify right side
645,893,306.64x = 344,054,806,955,667,200 - Step 5: Solve for x
x = 344,054,806,955,667,200/645,893,306.64 - Step 6: Final answer
x = 532,680,557.95
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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.