Finding the Fourth Proportional to 797,138,465.80, 1,195,707,698.70 and 367,156,769.80
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Solution
The fourth proportional to 797,138,465.80, 1,195,707,698.70 and 367,156,769.80 is: 550,735,154.70
Step by Step Solution
- Step 1: Write the proportion equation
797,138,465.80 : 1,195,707,698.70 = 367,156,769.80 : x - Step 2: Convert to fraction form
797,138,465.80/1,195,707,698.70 = 367,156,769.80/x - Step 3: Cross multiply
797,138,465.80x = 1,195,707,698.70 × 367,156,769.80 - Step 4: Simplify right side
797,138,465.80x = 439,012,176,279,683,712 - Step 5: Solve for x
x = 439,012,176,279,683,712/797,138,465.80 - Step 6: Final answer
x = 550,735,154.70
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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.