Finding the Fourth Proportional to 23,281,156,966.84, 32,133,974,343.20 and 15,163,189,622.28
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Solution
The fourth proportional to 23,281,156,966.84, 32,133,974,343.20 and 15,163,189,622.28 is: 20,929,095,017.80
Step by Step Solution
- Step 1: Write the proportion equation
23,281,156,966.84 : 32,133,974,343.20 = 15,163,189,622.28 : x - Step 2: Convert to fraction form
23,281,156,966.84/32,133,974,343.20 = 15,163,189,622.28/x - Step 3: Cross multiply
23,281,156,966.84x = 32,133,974,343.20 × 15,163,189,622.28 - Step 4: Simplify right side
23,281,156,966.84x = 487,253,546,283,422,056,448 - Step 5: Solve for x
x = 487,253,546,283,422,056,448/23,281,156,966.84 - Step 6: Final answer
x = 20,929,095,017.80
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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.