Finding the Fourth Proportional to 3,953,712,431.54, 5,930,913,328.68 and 1,296,971,950.34
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Solution
The fourth proportional to 3,953,712,431.54, 5,930,913,328.68 and 1,296,971,950.34 is: 1,945,570,994.45
Step by Step Solution
- Step 1: Write the proportion equation
3,953,712,431.54 : 5,930,913,328.68 = 1,296,971,950.34 : x - Step 2: Convert to fraction form
3,953,712,431.54/5,930,913,328.68 = 1,296,971,950.34/x - Step 3: Cross multiply
3,953,712,431.54x = 5,930,913,328.68 × 1,296,971,950.34 - Step 4: Simplify right side
3,953,712,431.54x = 7,692,228,227,195,600,896 - Step 5: Solve for x
x = 7,692,228,227,195,600,896/3,953,712,431.54 - Step 6: Final answer
x = 1,945,570,994.45
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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.