Finding the Fourth Proportional to 27,959,392,115.04, 38,583,700,357.44 and 15,272,122,925.28
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Solution
The fourth proportional to 27,959,392,115.04, 38,583,700,357.44 and 15,272,122,925.28 is: 21,075,387,202.50
Step by Step Solution
- Step 1: Write the proportion equation
27,959,392,115.04 : 38,583,700,357.44 = 15,272,122,925.28 : x - Step 2: Convert to fraction form
27,959,392,115.04/38,583,700,357.44 = 15,272,122,925.28/x - Step 3: Cross multiply
27,959,392,115.04x = 38,583,700,357.44 × 15,272,122,925.28 - Step 4: Simplify right side
27,959,392,115.04x = 589,255,014,770,993,594,368 - Step 5: Solve for x
x = 589,255,014,770,993,594,368/27,959,392,115.04 - Step 6: Final answer
x = 21,075,387,202.50
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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.