Finding the Fourth Proportional to 3,180,808,045.80, 4,771,212,068.70 and 999,774,181.80
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Solution
The fourth proportional to 3,180,808,045.80, 4,771,212,068.70 and 999,774,181.80 is: 1,499,661,272.70
Step by Step Solution
- Step 1: Write the proportion equation
3,180,808,045.80 : 4,771,212,068.70 = 999,774,181.80 : x - Step 2: Convert to fraction form
3,180,808,045.80/4,771,212,068.70 = 999,774,181.80/x - Step 3: Cross multiply
3,180,808,045.80x = 4,771,212,068.70 × 999,774,181.80 - Step 4: Simplify right side
3,180,808,045.80x = 4,770,134,642,178,827,264 - Step 5: Solve for x
x = 4,770,134,642,178,827,264/3,180,808,045.80 - Step 6: Final answer
x = 1,499,661,272.70
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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.