Finding the Fourth Proportional to 2,637,072,106.84, 3,639,025,864.79 and 1,565,421,244.23
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Solution
The fourth proportional to 2,637,072,106.84, 3,639,025,864.79 and 1,565,421,244.23 is: 2,160,201,983.96
Step by Step Solution
- Step 1: Write the proportion equation
2,637,072,106.84 : 3,639,025,864.79 = 1,565,421,244.23 : x - Step 2: Convert to fraction form
2,637,072,106.84/3,639,025,864.79 = 1,565,421,244.23/x - Step 3: Cross multiply
2,637,072,106.84x = 3,639,025,864.79 × 1,565,421,244.23 - Step 4: Simplify right side
2,637,072,106.84x = 5,696,608,397,042,834,432 - Step 5: Solve for x
x = 5,696,608,397,042,834,432/2,637,072,106.84 - Step 6: Final answer
x = 2,160,201,983.96
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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.