Finding the Fourth Proportional to 9,097,571,463.84, 12,553,869,432.24 and 5,235,232,186.08
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Solution
The fourth proportional to 9,097,571,463.84, 12,553,869,432.24 and 5,235,232,186.08 is: 7,224,172,030.17
Step by Step Solution
- Step 1: Write the proportion equation
9,097,571,463.84 : 12,553,869,432.24 = 5,235,232,186.08 : x - Step 2: Convert to fraction form
9,097,571,463.84/12,553,869,432.24 = 5,235,232,186.08/x - Step 3: Cross multiply
9,097,571,463.84x = 12,553,869,432.24 × 5,235,232,186.08 - Step 4: Simplify right side
9,097,571,463.84x = 65,722,421,311,508,701,184 - Step 5: Solve for x
x = 65,722,421,311,508,701,184/9,097,571,463.84 - Step 6: Final answer
x = 7,224,172,030.17
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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.