Finding the Fourth Proportional to 1,984,956,482.34, 2,977,878,771.99 and 604,879,000.74
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Solution
The fourth proportional to 1,984,956,482.34, 2,977,878,771.99 and 604,879,000.74 is: 907,453,816.72
Step by Step Solution
- Step 1: Write the proportion equation
1,984,956,482.34 : 2,977,878,771.99 = 604,879,000.74 : x - Step 2: Convert to fraction form
1,984,956,482.34/2,977,878,771.99 = 604,879,000.74/x - Step 3: Cross multiply
1,984,956,482.34x = 2,977,878,771.99 × 604,879,000.74 - Step 4: Simplify right side
1,984,956,482.34x = 1,801,256,335,926,169,344 - Step 5: Solve for x
x = 1,801,256,335,926,169,344/1,984,956,482.34 - Step 6: Final answer
x = 907,453,816.72
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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.