Finding the Fourth Proportional to 964,678,276.80, 1,447,017,415.20 and 597,346,257.60
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Solution
The fourth proportional to 964,678,276.80, 1,447,017,415.20 and 597,346,257.60 is: 896,019,386.40
Step by Step Solution
- Step 1: Write the proportion equation
964,678,276.80 : 1,447,017,415.20 = 597,346,257.60 : x - Step 2: Convert to fraction form
964,678,276.80/1,447,017,415.20 = 597,346,257.60/x - Step 3: Cross multiply
964,678,276.80x = 1,447,017,415.20 × 597,346,257.60 - Step 4: Simplify right side
964,678,276.80x = 864,370,437,651,745,408 - Step 5: Solve for x
x = 864,370,437,651,745,408/964,678,276.80 - Step 6: Final answer
x = 896,019,386.40
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Double scale
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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.