Finding the Fourth Proportional to 537,757,959.40, 806,636,939.10 and 532,656,125.80
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Solution
The fourth proportional to 537,757,959.40, 806,636,939.10 and 532,656,125.80 is: 798,984,188.70
Step by Step Solution
- Step 1: Write the proportion equation
537,757,959.40 : 806,636,939.10 = 532,656,125.80 : x - Step 2: Convert to fraction form
537,757,959.40/806,636,939.10 = 532,656,125.80/x - Step 3: Cross multiply
537,757,959.40x = 806,636,939.10 × 532,656,125.80 - Step 4: Simplify right side
537,757,959.40x = 429,660,106,908,176,576 - Step 5: Solve for x
x = 429,660,106,908,176,576/537,757,959.40 - Step 6: Final answer
x = 798,984,188.70
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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.