Finding the Fourth Proportional to 1,639,571,970,467.60, 2,262,680,442,695.70 and 907,960,377,045.05
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Solution
The fourth proportional to 1,639,571,970,467.60, 2,262,680,442,695.70 and 907,960,377,045.05 is: 1,253,024,706,988.94
Step by Step Solution
- Step 1: Write the proportion equation
1,639,571,970,467.60 : 2,262,680,442,695.70 = 907,960,377,045.05 : x - Step 2: Convert to fraction form
1,639,571,970,467.60/2,262,680,442,695.70 = 907,960,377,045.05/x - Step 3: Cross multiply
1,639,571,970,467.60x = 2,262,680,442,695.70 × 907,960,377,045.05 - Step 4: Simplify right side
1,639,571,970,467.60x = 2,054,424,187,882,448,772,661,248 - Step 5: Solve for x
x = 2,054,424,187,882,448,772,661,248/1,639,571,970,467.60 - Step 6: Final answer
x = 1,253,024,706,988.94
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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.