Finding the Fourth Proportional to 4,607,518,874.43, 6,358,330,779.75 and 2,492,928,421.47
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Solution
The fourth proportional to 4,607,518,874.43, 6,358,330,779.75 and 2,492,928,421.47 is: 3,440,216,729.64
Step by Step Solution
- Step 1: Write the proportion equation
4,607,518,874.43 : 6,358,330,779.75 = 2,492,928,421.47 : x - Step 2: Convert to fraction form
4,607,518,874.43/6,358,330,779.75 = 2,492,928,421.47/x - Step 3: Cross multiply
4,607,518,874.43x = 6,358,330,779.75 × 2,492,928,421.47 - Step 4: Simplify right side
4,607,518,874.43x = 15,850,863,513,946,279,936 - Step 5: Solve for x
x = 15,850,863,513,946,279,936/4,607,518,874.43 - Step 6: Final answer
x = 3,440,216,729.64
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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.