Finding the Fourth Proportional to 27,630,878,697.97, 38,130,612,307.95 and 14,943,614,363.84
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Solution
The fourth proportional to 27,630,878,697.97, 38,130,612,307.95 and 14,943,614,363.84 is: 20,622,187,662.43
Step by Step Solution
- Step 1: Write the proportion equation
27,630,878,697.97 : 38,130,612,307.95 = 14,943,614,363.84 : x - Step 2: Convert to fraction form
27,630,878,697.97/38,130,612,307.95 = 14,943,614,363.84/x - Step 3: Cross multiply
27,630,878,697.97x = 38,130,612,307.95 × 14,943,614,363.84 - Step 4: Simplify right side
27,630,878,697.97x = 569,809,165,787,270,152,192 - Step 5: Solve for x
x = 569,809,165,787,270,152,192/27,630,878,697.97 - Step 6: Final answer
x = 20,622,187,662.43
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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.