Finding the Fourth Proportional to 871,521,720.04, 1,306,508,567.14 and 339,609,987.73
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Solution
The fourth proportional to 871,521,720.04, 1,306,508,567.14 and 339,609,987.73 is: 509,113,368.32
Step by Step Solution
- Step 1: Write the proportion equation
871,521,720.04 : 1,306,508,567.14 = 339,609,987.73 : x - Step 2: Convert to fraction form
871,521,720.04/1,306,508,567.14 = 339,609,987.73/x - Step 3: Cross multiply
871,521,720.04x = 1,306,508,567.14 × 339,609,987.73 - Step 4: Simplify right side
871,521,720.04x = 443,703,358,455,555,328 - Step 5: Solve for x
x = 443,703,358,455,555,328/871,521,720.04 - Step 6: Final answer
x = 509,113,368.32
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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.