Finding the Fourth Proportional to 659,698,867.62, 910,395,353.48 and 362,368,584.99
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Solution
The fourth proportional to 659,698,867.62, 910,395,353.48 and 362,368,584.99 is: 500,074,643.47
Step by Step Solution
- Step 1: Write the proportion equation
659,698,867.62 : 910,395,353.48 = 362,368,584.99 : x - Step 2: Convert to fraction form
659,698,867.62/910,395,353.48 = 362,368,584.99/x - Step 3: Cross multiply
659,698,867.62x = 910,395,353.48 × 362,368,584.99 - Step 4: Simplify right side
659,698,867.62x = 329,898,676,020,206,656 - Step 5: Solve for x
x = 329,898,676,020,206,656/659,698,867.62 - Step 6: Final answer
x = 500,074,643.47
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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.