Finding the Fourth Proportional to 688,544,731.64, 950,211,643.74 and 375,299,234.48
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Solution
The fourth proportional to 688,544,731.64, 950,211,643.74 and 375,299,234.48 is: 517,923,797.98
Step by Step Solution
- Step 1: Write the proportion equation
688,544,731.64 : 950,211,643.74 = 375,299,234.48 : x - Step 2: Convert to fraction form
688,544,731.64/950,211,643.74 = 375,299,234.48/x - Step 3: Cross multiply
688,544,731.64x = 950,211,643.74 × 375,299,234.48 - Step 4: Simplify right side
688,544,731.64x = 356,613,702,489,604,480 - Step 5: Solve for x
x = 356,613,702,489,604,480/688,544,731.64 - Step 6: Final answer
x = 517,923,797.98
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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.