Finding the Fourth Proportional to 66,095,765,461.64, 99,163,099,929.63 and 21,326,422,304.09
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Solution
The fourth proportional to 66,095,765,461.64, 99,163,099,929.63 and 21,326,422,304.09 is: 31,995,909,742.65
Step by Step Solution
- Step 1: Write the proportion equation
66,095,765,461.64 : 99,163,099,929.63 = 21,326,422,304.09 : x - Step 2: Convert to fraction form
66,095,765,461.64/99,163,099,929.63 = 21,326,422,304.09/x - Step 3: Cross multiply
66,095,765,461.64x = 99,163,099,929.63 × 21,326,422,304.09 - Step 4: Simplify right side
66,095,765,461.64x = 2,114,794,146,081,966,915,584 - Step 5: Solve for x
x = 2,114,794,146,081,966,915,584/66,095,765,461.64 - Step 6: Final answer
x = 31,995,909,742.65
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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.