Finding the Fourth Proportional to 370,157,631.71, 551,927,143.12 and 359,987,843.99
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Solution
The fourth proportional to 370,157,631.71, 551,927,143.12 and 359,987,843.99 is: 536,763,382.06
Step by Step Solution
- Step 1: Write the proportion equation
370,157,631.71 : 551,927,143.12 = 359,987,843.99 : x - Step 2: Convert to fraction form
370,157,631.71/551,927,143.12 = 359,987,843.99/x - Step 3: Cross multiply
370,157,631.71x = 551,927,143.12 × 359,987,843.99 - Step 4: Simplify right side
370,157,631.71x = 198,687,062,291,328,960 - Step 5: Solve for x
x = 198,687,062,291,328,960/370,157,631.71 - Step 6: Final answer
x = 536,763,382.06
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.