Finding the Fourth Proportional to 784,953,331.84, 1,083,258,704.55 and 432,552,023.02
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Solution
The fourth proportional to 784,953,331.84, 1,083,258,704.55 and 432,552,023.02 is: 596,934,524.77
Step by Step Solution
- Step 1: Write the proportion equation
784,953,331.84 : 1,083,258,704.55 = 432,552,023.02 : x - Step 2: Convert to fraction form
784,953,331.84/1,083,258,704.55 = 432,552,023.02/x - Step 3: Cross multiply
784,953,331.84x = 1,083,258,704.55 × 432,552,023.02 - Step 4: Simplify right side
784,953,331.84x = 468,565,744,107,126,912 - Step 5: Solve for x
x = 468,565,744,107,126,912/784,953,331.84 - Step 6: Final answer
x = 596,934,524.77
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.