Finding the Fourth Proportional to 670,985,356.02, 1,006,010,385.99 and 297,290,119.71
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Solution
The fourth proportional to 670,985,356.02, 1,006,010,385.99 and 297,290,119.71 is: 445,727,981.09
Step by Step Solution
- Step 1: Write the proportion equation
670,985,356.02 : 1,006,010,385.99 = 297,290,119.71 : x - Step 2: Convert to fraction form
670,985,356.02/1,006,010,385.99 = 297,290,119.71/x - Step 3: Cross multiply
670,985,356.02x = 1,006,010,385.99 × 297,290,119.71 - Step 4: Simplify right side
670,985,356.02x = 299,076,948,080,470,400 - Step 5: Solve for x
x = 299,076,948,080,470,400/670,985,356.02 - Step 6: Final answer
x = 445,727,981.09
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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.