Finding the Fourth Proportional to 448,492,251.41, 672,719,210.98 and 153,413,756.91
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Solution
The fourth proportional to 448,492,251.41, 672,719,210.98 and 153,413,756.91 is: 230,114,079.29
Step by Step Solution
- Step 1: Write the proportion equation
448,492,251.41 : 672,719,210.98 = 153,413,756.91 : x - Step 2: Convert to fraction form
448,492,251.41/672,719,210.98 = 153,413,756.91/x - Step 3: Cross multiply
448,492,251.41x = 672,719,210.98 × 153,413,756.91 - Step 4: Simplify right side
448,492,251.41x = 103,204,381,499,641,808 - Step 5: Solve for x
x = 103,204,381,499,641,808/448,492,251.41 - Step 6: Final answer
x = 230,114,079.29
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.