Finding the Fourth Proportional to 831,676,000.40, 1,246,170,307.80 and 524,418,246.80
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Solution
The fourth proportional to 831,676,000.40, 1,246,170,307.80 and 524,418,246.80 is: 785,780,096.72
Step by Step Solution
- Step 1: Write the proportion equation
831,676,000.40 : 1,246,170,307.80 = 524,418,246.80 : x - Step 2: Convert to fraction form
831,676,000.40/1,246,170,307.80 = 524,418,246.80/x - Step 3: Cross multiply
831,676,000.40x = 1,246,170,307.80 × 524,418,246.80 - Step 4: Simplify right side
831,676,000.40x = 653,514,448,030,692,352 - Step 5: Solve for x
x = 653,514,448,030,692,352/831,676,000.40 - Step 6: Final answer
x = 785,780,096.72
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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.