Finding the Fourth Proportional to 912,094,041.51, 1,367,787,354.68 and 313,718,116.49
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Solution
The fourth proportional to 912,094,041.51, 1,367,787,354.68 and 313,718,116.49 is: 470,455,515.69
Step by Step Solution
- Step 1: Write the proportion equation
912,094,041.51 : 1,367,787,354.68 = 313,718,116.49 : x - Step 2: Convert to fraction form
912,094,041.51/1,367,787,354.68 = 313,718,116.49/x - Step 3: Cross multiply
912,094,041.51x = 1,367,787,354.68 × 313,718,116.49 - Step 4: Simplify right side
912,094,041.51x = 429,099,672,660,641,664 - Step 5: Solve for x
x = 429,099,672,660,641,664/912,094,041.51 - Step 6: Final answer
x = 470,455,515.69
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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.