Finding the Fourth Proportional to 1,890,236,280.84, 2,835,354,421.25 and 510,048,574.44
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Solution
The fourth proportional to 1,890,236,280.84, 2,835,354,421.25 and 510,048,574.44 is: 765,072,861.66
Step by Step Solution
- Step 1: Write the proportion equation
1,890,236,280.84 : 2,835,354,421.25 = 510,048,574.44 : x - Step 2: Convert to fraction form
1,890,236,280.84/2,835,354,421.25 = 510,048,574.44/x - Step 3: Cross multiply
1,890,236,280.84x = 2,835,354,421.25 × 510,048,574.44 - Step 4: Simplify right side
1,890,236,280.84x = 1,446,168,480,588,163,328 - Step 5: Solve for x
x = 1,446,168,480,588,163,328/1,890,236,280.84 - Step 6: Final answer
x = 765,072,861.66
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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.