Finding the Fourth Proportional to 219,210,980,582.80, 328,847,081,875.80 and 93,440,578,675.60
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Solution
The fourth proportional to 219,210,980,582.80, 328,847,081,875.80 and 93,440,578,675.60 is: 140,173,916,217.90
Step by Step Solution
- Step 1: Write the proportion equation
219,210,980,582.80 : 328,847,081,875.80 = 93,440,578,675.60 : x - Step 2: Convert to fraction form
219,210,980,582.80/328,847,081,875.80 = 93,440,578,675.60/x - Step 3: Cross multiply
219,210,980,582.80x = 328,847,081,875.80 × 93,440,578,675.60 - Step 4: Simplify right side
219,210,980,582.80x = 30,727,661,626,257,167,089,664 - Step 5: Solve for x
x = 30,727,661,626,257,167,089,664/219,210,980,582.80 - Step 6: Final answer
x = 140,173,916,217.90
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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.