Finding the Fourth Proportional to 4,670,508,411.68, 6,445,297,411.04 and 2,636,387,518.58
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Solution
The fourth proportional to 4,670,508,411.68, 6,445,297,411.04 and 2,636,387,518.58 is: 3,638,212,406.50
Step by Step Solution
- Step 1: Write the proportion equation
4,670,508,411.68 : 6,445,297,411.04 = 2,636,387,518.58 : x - Step 2: Convert to fraction form
4,670,508,411.68/6,445,297,411.04 = 2,636,387,518.58/x - Step 3: Cross multiply
4,670,508,411.68x = 6,445,297,411.04 × 2,636,387,518.58 - Step 4: Simplify right side
4,670,508,411.68x = 16,992,301,648,008,316,928 - Step 5: Solve for x
x = 16,992,301,648,008,316,928/4,670,508,411.68 - Step 6: Final answer
x = 3,638,212,406.50
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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.