Finding the Fourth Proportional to 525,961,029.80, 788,941,544.70 and 238,746,693.80
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Solution
The fourth proportional to 525,961,029.80, 788,941,544.70 and 238,746,693.80 is: 358,120,040.70
Step by Step Solution
- Step 1: Write the proportion equation
525,961,029.80 : 788,941,544.70 = 238,746,693.80 : x - Step 2: Convert to fraction form
525,961,029.80/788,941,544.70 = 238,746,693.80/x - Step 3: Cross multiply
525,961,029.80x = 788,941,544.70 × 238,746,693.80 - Step 4: Simplify right side
525,961,029.80x = 188,357,185,398,589,920 - Step 5: Solve for x
x = 188,357,185,398,589,920/525,961,029.80 - Step 6: Final answer
x = 358,120,040.70
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Similar ratio
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.