Finding the Fourth Proportional to 426,688,305,252.71, 639,776,861,487.50 and 135,807,255,962.80
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Solution
The fourth proportional to 426,688,305,252.71, 639,776,861,487.50 and 135,807,255,962.80 is: 203,629,532,184.27
Step by Step Solution
- Step 1: Write the proportion equation
426,688,305,252.71 : 639,776,861,487.50 = 135,807,255,962.80 : x - Step 2: Convert to fraction form
426,688,305,252.71/639,776,861,487.50 = 135,807,255,962.80/x - Step 3: Cross multiply
426,688,305,252.71x = 639,776,861,487.50 × 135,807,255,962.80 - Step 4: Simplify right side
426,688,305,252.71x = 86,886,339,987,109,754,961,920 - Step 5: Solve for x
x = 86,886,339,987,109,754,961,920/426,688,305,252.71 - Step 6: Final answer
x = 203,629,532,184.27
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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.