Finding the Fourth Proportional to 403,594,895.64, 556,960,962.99 and 217,955,911.33
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Solution
The fourth proportional to 403,594,895.64, 556,960,962.99 and 217,955,911.33 is: 300,779,161.42
Step by Step Solution
- Step 1: Write the proportion equation
403,594,895.64 : 556,960,962.99 = 217,955,911.33 : x - Step 2: Convert to fraction form
403,594,895.64/556,960,962.99 = 217,955,911.33/x - Step 3: Cross multiply
403,594,895.64x = 556,960,962.99 × 217,955,911.33 - Step 4: Simplify right side
403,594,895.64x = 121,392,934,265,233,392 - Step 5: Solve for x
x = 121,392,934,265,233,392/403,594,895.64 - Step 6: Final answer
x = 300,779,161.42
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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.