Finding the Fourth Proportional to 840,104,875.20, 1,260,157,312.80 and 226,688,116.80
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Solution
The fourth proportional to 840,104,875.20, 1,260,157,312.80 and 226,688,116.80 is: 340,032,175.20
Step by Step Solution
- Step 1: Write the proportion equation
840,104,875.20 : 1,260,157,312.80 = 226,688,116.80 : x - Step 2: Convert to fraction form
840,104,875.20/1,260,157,312.80 = 226,688,116.80/x - Step 3: Cross multiply
840,104,875.20x = 1,260,157,312.80 × 226,688,116.80 - Step 4: Simplify right side
840,104,875.20x = 285,662,688,110,380,544 - Step 5: Solve for x
x = 285,662,688,110,380,544/840,104,875.20 - Step 6: Final answer
x = 340,032,175.20
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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.