Finding the Fourth Proportional to 610,890,145.05, 916,335,217.58 and 201,946,295.55
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Solution
The fourth proportional to 610,890,145.05, 916,335,217.58 and 201,946,295.55 is: 302,919,443.33
Step by Step Solution
- Step 1: Write the proportion equation
610,890,145.05 : 916,335,217.58 = 201,946,295.55 : x - Step 2: Convert to fraction form
610,890,145.05/916,335,217.58 = 201,946,295.55/x - Step 3: Cross multiply
610,890,145.05x = 916,335,217.58 × 201,946,295.55 - Step 4: Simplify right side
610,890,145.05x = 185,050,502,671,274,528 - Step 5: Solve for x
x = 185,050,502,671,274,528/610,890,145.05 - Step 6: Final answer
x = 302,919,443.33
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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.