Finding the Fourth Proportional to 314,935,521.70, 472,403,282.55 and 306,432,465.70
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Solution
The fourth proportional to 314,935,521.70, 472,403,282.55 and 306,432,465.70 is: 459,648,698.55
Step by Step Solution
- Step 1: Write the proportion equation
314,935,521.70 : 472,403,282.55 = 306,432,465.70 : x - Step 2: Convert to fraction form
314,935,521.70/472,403,282.55 = 306,432,465.70/x - Step 3: Cross multiply
314,935,521.70x = 472,403,282.55 × 306,432,465.70 - Step 4: Simplify right side
314,935,521.70x = 144,759,702,676,570,272 - Step 5: Solve for x
x = 144,759,702,676,570,272/314,935,521.70 - Step 6: Final answer
x = 459,648,698.55
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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.