Finding the Fourth Proportional to 7,091,719,924.80, 10,637,579,887.20 and 3,221,884,660.80
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Solution
The fourth proportional to 7,091,719,924.80, 10,637,579,887.20 and 3,221,884,660.80 is: 4,832,826,991.20
Step by Step Solution
- Step 1: Write the proportion equation
7,091,719,924.80 : 10,637,579,887.20 = 3,221,884,660.80 : x - Step 2: Convert to fraction form
7,091,719,924.80/10,637,579,887.20 = 3,221,884,660.80/x - Step 3: Cross multiply
7,091,719,924.80x = 10,637,579,887.20 × 3,221,884,660.80 - Step 4: Simplify right side
7,091,719,924.80x = 34,273,055,466,604,277,760 - Step 5: Solve for x
x = 34,273,055,466,604,277,760/7,091,719,924.80 - Step 6: Final answer
x = 4,832,826,991.20
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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.