Finding the Fourth Proportional to 1,119,746,809.60, 1,679,620,214.40 and 506,351,046.40
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Solution
The fourth proportional to 1,119,746,809.60, 1,679,620,214.40 and 506,351,046.40 is: 759,526,569.60
Step by Step Solution
- Step 1: Write the proportion equation
1,119,746,809.60 : 1,679,620,214.40 = 506,351,046.40 : x - Step 2: Convert to fraction form
1,119,746,809.60/1,679,620,214.40 = 506,351,046.40/x - Step 3: Cross multiply
1,119,746,809.60x = 1,679,620,214.40 × 506,351,046.40 - Step 4: Simplify right side
1,119,746,809.60x = 850,477,453,116,032,384 - Step 5: Solve for x
x = 850,477,453,116,032,384/1,119,746,809.60 - Step 6: Final answer
x = 759,526,569.60
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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.