Finding the Fourth Proportional to 27,630,878,696.84, 38,130,612,306.40 and 14,943,614,362.71
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Solution
The fourth proportional to 27,630,878,696.84, 38,130,612,306.40 and 14,943,614,362.71 is: 20,622,187,660.87
Step by Step Solution
- Step 1: Write the proportion equation
27,630,878,696.84 : 38,130,612,306.40 = 14,943,614,362.71 : x - Step 2: Convert to fraction form
27,630,878,696.84/38,130,612,306.40 = 14,943,614,362.71/x - Step 3: Cross multiply
27,630,878,696.84x = 38,130,612,306.40 × 14,943,614,362.71 - Step 4: Simplify right side
27,630,878,696.84x = 569,809,165,720,907,087,872 - Step 5: Solve for x
x = 569,809,165,720,907,087,872/27,630,878,696.84 - Step 6: Final answer
x = 20,622,187,660.87
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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.