Finding the Fourth Proportional to 958,246,968.30, 1,437,370,452.45 and 613,873,200.30
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Solution
The fourth proportional to 958,246,968.30, 1,437,370,452.45 and 613,873,200.30 is: 920,809,800.45
Step by Step Solution
- Step 1: Write the proportion equation
958,246,968.30 : 1,437,370,452.45 = 613,873,200.30 : x - Step 2: Convert to fraction form
958,246,968.30/1,437,370,452.45 = 613,873,200.30/x - Step 3: Cross multiply
958,246,968.30x = 1,437,370,452.45 × 613,873,200.30 - Step 4: Simplify right side
958,246,968.30x = 882,363,199,662,140,416 - Step 5: Solve for x
x = 882,363,199,662,140,416/958,246,968.30 - Step 6: Final answer
x = 920,809,800.45
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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.