Finding the Fourth Proportional to 654,955,206.36, 903,917,441.97 and 372,766,261.02
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Solution
The fourth proportional to 654,955,206.36, 903,917,441.97 and 372,766,261.02 is: 514,462,549.26
Step by Step Solution
- Step 1: Write the proportion equation
654,955,206.36 : 903,917,441.97 = 372,766,261.02 : x - Step 2: Convert to fraction form
654,955,206.36/903,917,441.97 = 372,766,261.02/x - Step 3: Cross multiply
654,955,206.36x = 903,917,441.97 × 372,766,261.02 - Step 4: Simplify right side
654,955,206.36x = 336,949,925,113,919,744 - Step 5: Solve for x
x = 336,949,925,113,919,744/654,955,206.36 - Step 6: Final answer
x = 514,462,549.26
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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.