Finding the Fourth Proportional to 895,246,565.57, 1,235,411,287.61 and 513,831,380.68
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Solution
The fourth proportional to 895,246,565.57, 1,235,411,287.61 and 513,831,380.68 is: 709,070,676.21
Step by Step Solution
- Step 1: Write the proportion equation
895,246,565.57 : 1,235,411,287.61 = 513,831,380.68 : x - Step 2: Convert to fraction form
895,246,565.57/1,235,411,287.61 = 513,831,380.68/x - Step 3: Cross multiply
895,246,565.57x = 1,235,411,287.61 × 513,831,380.68 - Step 4: Simplify right side
895,246,565.57x = 634,793,087,620,302,848 - Step 5: Solve for x
x = 634,793,087,620,302,848/895,246,565.57 - Step 6: Final answer
x = 709,070,676.21
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1.5x scale
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.