Finding the Fourth Proportional to 659,698,868.62, 910,395,354.86 and 362,368,585.99
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Solution
The fourth proportional to 659,698,868.62, 910,395,354.86 and 362,368,585.99 is: 500,074,644.85
Step by Step Solution
- Step 1: Write the proportion equation
659,698,868.62 : 910,395,354.86 = 362,368,585.99 : x - Step 2: Convert to fraction form
659,698,868.62/910,395,354.86 = 362,368,585.99/x - Step 3: Cross multiply
659,698,868.62x = 910,395,354.86 × 362,368,585.99 - Step 4: Simplify right side
659,698,868.62x = 329,898,677,432,482,496 - Step 5: Solve for x
x = 329,898,677,432,482,496/659,698,868.62 - Step 6: Final answer
x = 500,074,644.85
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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.