Finding the Fourth Proportional to 2,391,541,651.80, 3,587,312,477.70 and 2,326,971,570.30
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Solution
The fourth proportional to 2,391,541,651.80, 3,587,312,477.70 and 2,326,971,570.30 is: 3,490,457,355.45
Step by Step Solution
- Step 1: Write the proportion equation
2,391,541,651.80 : 3,587,312,477.70 = 2,326,971,570.30 : x - Step 2: Convert to fraction form
2,391,541,651.80/3,587,312,477.70 = 2,326,971,570.30/x - Step 3: Cross multiply
2,391,541,651.80x = 3,587,312,477.70 × 2,326,971,570.30 - Step 4: Simplify right side
2,391,541,651.80x = 8,347,574,149,390,353,408 - Step 5: Solve for x
x = 8,347,574,149,390,353,408/2,391,541,651.80 - Step 6: Final answer
x = 3,490,457,355.45
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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.