Finding the Fourth Proportional to 610,890,133.80, 916,335,200.70 and 201,946,284.30
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Solution
The fourth proportional to 610,890,133.80, 916,335,200.70 and 201,946,284.30 is: 302,919,426.45
Step by Step Solution
- Step 1: Write the proportion equation
610,890,133.80 : 916,335,200.70 = 201,946,284.30 : x - Step 2: Convert to fraction form
610,890,133.80/916,335,200.70 = 201,946,284.30/x - Step 3: Cross multiply
610,890,133.80x = 916,335,200.70 × 201,946,284.30 - Step 4: Simplify right side
610,890,133.80x = 185,050,488,954,659,776 - Step 5: Solve for x
x = 185,050,488,954,659,776/610,890,133.80 - Step 6: Final answer
x = 302,919,426.45
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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.