Finding the Fourth Proportional to 746,803,724.80, 1,120,205,587.20 and 475,377,779.20
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Solution
The fourth proportional to 746,803,724.80, 1,120,205,587.20 and 475,377,779.20 is: 713,066,668.80
Step by Step Solution
- Step 1: Write the proportion equation
746,803,724.80 : 1,120,205,587.20 = 475,377,779.20 : x - Step 2: Convert to fraction form
746,803,724.80/1,120,205,587.20 = 475,377,779.20/x - Step 3: Cross multiply
746,803,724.80x = 1,120,205,587.20 × 475,377,779.20 - Step 4: Simplify right side
746,803,724.80x = 532,520,844,290,567,936 - Step 5: Solve for x
x = 532,520,844,290,567,936/746,803,724.80 - Step 6: Final answer
x = 713,066,668.80
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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.