Finding the Fourth Proportional to 2,165,229,681.84, 2,988,019,844.28 and 1,175,155,098.84
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Solution
The fourth proportional to 2,165,229,681.84, 2,988,019,844.28 and 1,175,155,098.84 is: 1,621,715,601.30
Step by Step Solution
- Step 1: Write the proportion equation
2,165,229,681.84 : 2,988,019,844.28 = 1,175,155,098.84 : x - Step 2: Convert to fraction form
2,165,229,681.84/2,988,019,844.28 = 1,175,155,098.84/x - Step 3: Cross multiply
2,165,229,681.84x = 2,988,019,844.28 × 1,175,155,098.84 - Step 4: Simplify right side
2,165,229,681.84x = 3,511,386,755,440,744,960 - Step 5: Solve for x
x = 3,511,386,755,440,744,960/2,165,229,681.84 - Step 6: Final answer
x = 1,621,715,601.30
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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.