Finding the Fourth Proportional to 8,742,039,512.21, 12,064,050,874.17 and 4,727,709,781.31
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Solution
The fourth proportional to 8,742,039,512.21, 12,064,050,874.17 and 4,727,709,781.31 is: 6,524,259,154.90
Step by Step Solution
- Step 1: Write the proportion equation
8,742,039,512.21 : 12,064,050,874.17 = 4,727,709,781.31 : x - Step 2: Convert to fraction form
8,742,039,512.21/12,064,050,874.17 = 4,727,709,781.31/x - Step 3: Cross multiply
8,742,039,512.21x = 12,064,050,874.17 × 4,727,709,781.31 - Step 4: Simplify right side
8,742,039,512.21x = 57,035,331,319,974,649,856 - Step 5: Solve for x
x = 57,035,331,319,974,649,856/8,742,039,512.21 - Step 6: Final answer
x = 6,524,259,154.90
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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.