Finding the Fourth Proportional to 948,552,680.04, 1,423,315,420.70 and 457,684,576.68
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Solution
The fourth proportional to 948,552,680.04, 1,423,315,420.70 and 457,684,576.68 is: 686,761,557.38
Step by Step Solution
- Step 1: Write the proportion equation
948,552,680.04 : 1,423,315,420.70 = 457,684,576.68 : x - Step 2: Convert to fraction form
948,552,680.04/1,423,315,420.70 = 457,684,576.68/x - Step 3: Cross multiply
948,552,680.04x = 1,423,315,420.70 × 457,684,576.68 - Step 4: Simplify right side
948,552,680.04x = 651,429,515,805,195,648 - Step 5: Solve for x
x = 651,429,515,805,195,648/948,552,680.04 - Step 6: Final answer
x = 686,761,557.38
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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.