Finding the Fourth Proportional to 660,097,246.20, 990,145,869.30 and 585,482,929.80
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Solution
The fourth proportional to 660,097,246.20, 990,145,869.30 and 585,482,929.80 is: 878,224,394.70
Step by Step Solution
- Step 1: Write the proportion equation
660,097,246.20 : 990,145,869.30 = 585,482,929.80 : x - Step 2: Convert to fraction form
660,097,246.20/990,145,869.30 = 585,482,929.80/x - Step 3: Cross multiply
660,097,246.20x = 990,145,869.30 × 585,482,929.80 - Step 4: Simplify right side
660,097,246.20x = 579,713,504,487,131,776 - Step 5: Solve for x
x = 579,713,504,487,131,776/660,097,246.20 - Step 6: Final answer
x = 878,224,394.70
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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.