Finding the Fourth Proportional to 5,974,472,117.60, 8,961,708,176.40 and 3,219,481,973.60
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Solution
The fourth proportional to 5,974,472,117.60, 8,961,708,176.40 and 3,219,481,973.60 is: 4,829,222,960.40
Step by Step Solution
- Step 1: Write the proportion equation
5,974,472,117.60 : 8,961,708,176.40 = 3,219,481,973.60 : x - Step 2: Convert to fraction form
5,974,472,117.60/8,961,708,176.40 = 3,219,481,973.60/x - Step 3: Cross multiply
5,974,472,117.60x = 8,961,708,176.40 × 3,219,481,973.60 - Step 4: Simplify right side
5,974,472,117.60x = 28,852,057,926,583,525,376 - Step 5: Solve for x
x = 28,852,057,926,583,525,376/5,974,472,117.60 - Step 6: Final answer
x = 4,829,222,960.40
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Double scale
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.