Finding the Fourth Proportional to 1,532,830,964.00, 2,115,307,656.99 and 827,983,256.81
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Solution
The fourth proportional to 1,532,830,964.00, 2,115,307,656.99 and 827,983,256.81 is: 1,142,617,394.95
Step by Step Solution
- Step 1: Write the proportion equation
1,532,830,964.00 : 2,115,307,656.99 = 827,983,256.81 : x - Step 2: Convert to fraction form
1,532,830,964.00/2,115,307,656.99 = 827,983,256.81/x - Step 3: Cross multiply
1,532,830,964.00x = 2,115,307,656.99 × 827,983,256.81 - Step 4: Simplify right side
1,532,830,964.00x = 1,751,439,322,979,133,952 - Step 5: Solve for x
x = 1,751,439,322,979,133,952/1,532,830,964.00 - Step 6: Final answer
x = 1,142,617,394.95
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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.