Finding the Fourth Proportional to 847,239,612.36, 1,267,142,219.34 and 754,520,448.12
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Solution
The fourth proportional to 847,239,612.36, 1,267,142,219.34 and 754,520,448.12 is: 1,128,470,271.24
Step by Step Solution
- Step 1: Write the proportion equation
847,239,612.36 : 1,267,142,219.34 = 754,520,448.12 : x - Step 2: Convert to fraction form
847,239,612.36/1,267,142,219.34 = 754,520,448.12/x - Step 3: Cross multiply
847,239,612.36x = 1,267,142,219.34 × 754,520,448.12 - Step 4: Simplify right side
847,239,612.36x = 956,084,715,168,188,032 - Step 5: Solve for x
x = 956,084,715,168,188,032/847,239,612.36 - Step 6: Final answer
x = 1,128,470,271.24
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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.