Finding the Fourth Proportional to 245,665,718,117.70, 368,498,577,176.55 and 205,993,860,044.10
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Solution
The fourth proportional to 245,665,718,117.70, 368,498,577,176.55 and 205,993,860,044.10 is: 308,990,790,066.15
Step by Step Solution
- Step 1: Write the proportion equation
245,665,718,117.70 : 368,498,577,176.55 = 205,993,860,044.10 : x - Step 2: Convert to fraction form
245,665,718,117.70/368,498,577,176.55 = 205,993,860,044.10/x - Step 3: Cross multiply
245,665,718,117.70x = 368,498,577,176.55 × 205,993,860,044.10 - Step 4: Simplify right side
245,665,718,117.70x = 75,908,444,333,356,221,464,576 - Step 5: Solve for x
x = 75,908,444,333,356,221,464,576/245,665,718,117.70 - Step 6: Final answer
x = 308,990,790,066.15
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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.