Finding the Fourth Proportional to 5,302,791,421.60, 7,954,784,329.20 and 1,622,267,543.20
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Solution
The fourth proportional to 5,302,791,421.60, 7,954,784,329.20 and 1,622,267,543.20 is: 2,433,584,013.48
Step by Step Solution
- Step 1: Write the proportion equation
5,302,791,421.60 : 7,954,784,329.20 = 1,622,267,543.20 : x - Step 2: Convert to fraction form
5,302,791,421.60/7,954,784,329.20 = 1,622,267,543.20/x - Step 3: Cross multiply
5,302,791,421.60x = 7,954,784,329.20 × 1,622,267,543.20 - Step 4: Simplify right side
5,302,791,421.60x = 12,904,788,430,417,143,808 - Step 5: Solve for x
x = 12,904,788,430,417,143,808/5,302,791,421.60 - Step 6: Final answer
x = 2,433,584,013.48
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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.