Finding the Fourth Proportional to 2,529,090,936.14, 3,490,186,811.36 and 1,384,637,946.32
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Solution
The fourth proportional to 2,529,090,936.14, 3,490,186,811.36 and 1,384,637,946.32 is: 1,910,822,987.70
Step by Step Solution
- Step 1: Write the proportion equation
2,529,090,936.14 : 3,490,186,811.36 = 1,384,637,946.32 : x - Step 2: Convert to fraction form
2,529,090,936.14/3,490,186,811.36 = 1,384,637,946.32/x - Step 3: Cross multiply
2,529,090,936.14x = 3,490,186,811.36 × 1,384,637,946.32 - Step 4: Simplify right side
2,529,090,936.14x = 4,832,645,098,756,461,568 - Step 5: Solve for x
x = 4,832,645,098,756,461,568/2,529,090,936.14 - Step 6: Final answer
x = 1,910,822,987.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.