Finding the Fourth Proportional to 688,544,730.64, 950,211,642.36 and 375,299,233.48
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Solution
The fourth proportional to 688,544,730.64, 950,211,642.36 and 375,299,233.48 is: 517,923,796.60
Step by Step Solution
- Step 1: Write the proportion equation
688,544,730.64 : 950,211,642.36 = 375,299,233.48 : x - Step 2: Convert to fraction form
688,544,730.64/950,211,642.36 = 375,299,233.48/x - Step 3: Cross multiply
688,544,730.64x = 950,211,642.36 × 375,299,233.48 - Step 4: Simplify right side
688,544,730.64x = 356,613,701,021,479,936 - Step 5: Solve for x
x = 356,613,701,021,479,936/688,544,730.64 - Step 6: Final answer
x = 517,923,796.60
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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.