Finding the Fourth Proportional to 2,901,746,110.80, 4,352,619,166.20 and 720,712,246.80
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Solution
The fourth proportional to 2,901,746,110.80, 4,352,619,166.20 and 720,712,246.80 is: 1,081,068,370.20
Step by Step Solution
- Step 1: Write the proportion equation
2,901,746,110.80 : 4,352,619,166.20 = 720,712,246.80 : x - Step 2: Convert to fraction form
2,901,746,110.80/4,352,619,166.20 = 720,712,246.80/x - Step 3: Cross multiply
2,901,746,110.80x = 4,352,619,166.20 × 720,712,246.80 - Step 4: Simplify right side
2,901,746,110.80x = 3,136,985,938,736,744,448 - Step 5: Solve for x
x = 3,136,985,938,736,744,448/2,901,746,110.80 - Step 6: Final answer
x = 1,081,068,370.20
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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.