Finding the Fourth Proportional to 944,785,539.40, 1,417,178,309.10 and 636,408,041.80
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Solution
The fourth proportional to 944,785,539.40, 1,417,178,309.10 and 636,408,041.80 is: 954,612,062.70
Step by Step Solution
- Step 1: Write the proportion equation
944,785,539.40 : 1,417,178,309.10 = 636,408,041.80 : x - Step 2: Convert to fraction form
944,785,539.40/1,417,178,309.10 = 636,408,041.80/x - Step 3: Cross multiply
944,785,539.40x = 1,417,178,309.10 × 636,408,041.80 - Step 4: Simplify right side
944,785,539.40x = 901,903,672,575,766,016 - Step 5: Solve for x
x = 901,903,672,575,766,016/944,785,539.40 - Step 6: Final answer
x = 954,612,062.70
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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.