Finding the Fourth Proportional to 1,021,560,326.36, 1,532,340,509.64 and 245,205,987.08
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Solution
The fourth proportional to 1,021,560,326.36, 1,532,340,509.64 and 245,205,987.08 is: 367,808,985.44
Step by Step Solution
- Step 1: Write the proportion equation
1,021,560,326.36 : 1,532,340,509.64 = 245,205,987.08 : x - Step 2: Convert to fraction form
1,021,560,326.36/1,532,340,509.64 = 245,205,987.08/x - Step 3: Cross multiply
1,021,560,326.36x = 1,532,340,509.64 × 245,205,987.08 - Step 4: Simplify right side
1,021,560,326.36x = 375,739,067,208,946,496 - Step 5: Solve for x
x = 375,739,067,208,946,496/1,021,560,326.36 - Step 6: Final answer
x = 367,808,985.44
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.