Finding the Fourth Proportional to 2,070,970,485.12, 3,106,467,340.65 and 690,781,204.08
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Solution
The fourth proportional to 2,070,970,485.12, 3,106,467,340.65 and 690,781,204.08 is: 1,036,175,679.68
Step by Step Solution
- Step 1: Write the proportion equation
2,070,970,485.12 : 3,106,467,340.65 = 690,781,204.08 : x - Step 2: Convert to fraction form
2,070,970,485.12/3,106,467,340.65 = 690,781,204.08/x - Step 3: Cross multiply
2,070,970,485.12x = 3,106,467,340.65 × 690,781,204.08 - Step 4: Simplify right side
2,070,970,485.12x = 2,145,889,250,009,402,624 - Step 5: Solve for x
x = 2,145,889,250,009,402,624/2,070,970,485.12 - Step 6: Final answer
x = 1,036,175,679.68
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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.